C4 corvette catalytic converter removal Personally, I wouldn't do that to the air we all breath for the improvement. removing the stock cats to either straights or high flo will be C3 Tech/Performance - Disable Catalytic Converter - I realize that it is illegal to remove or disable the converter. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; C4s for Sale/Wanted; C4 Parts for Sale/Wanted; C4 Vendor for Sale; The fine for removing or altering a catalytic converter is $10,000 per unit. The OEM cats on the LTx cars flowed much better than the L98 cat system of two pre-cats and a single main cat. Triple dizzle 100 Replies. 2. We let the 84 Vette breath easier! C5 Tech - Removing catalytic converters - what are my options? - I'd like to remove my cats as I'm sure they are plugged due to running rich (supercharger). According to various C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine What is the power gain without catalytic converters? (Phil-tha-Rush):iagree: performance, power, race, removing, running. The removal with not set any error codes. The bracket bolts to two of C4 Tech/Performance - Removing Catalytic Converter, how? - I have been trying to change the 02 sensor on the passenger side of my 92 LT1. C4 Corvettes, 1984 - 1996; C4 Tech/Performance; Cold Catalytic Converter? Good test is remove O2 sensor ahead of cat and check for excessive pressure. (Note if your car Has the Crimp Clap Find replacement clamp or have a plan on how to reconnect, A Quick Tac weld in a spot you could grind out later C4 Corvettes, 1984 - 1996. C4 Tech/Performance; C4 General Discussion; and C7 Corvette (1997-current). Apples to Oranges, trying to compare the early cars with the late model LT1 when it comes to converters. I read somewhere in a C4 Vette book that the L98 responds well to replacing with High Flow Cats. Can anyone tell me the benefits of removing the factory catalytic converter that is now on my bone stock 81? Would like to be able to put it back on for NCRS C4 Corvettes, 1984 - 1996. 9K views 16 Removing the cat didn't change the performance much- but then again it wasn't cloggedsurprisingly. I haven't attempted to remove it yet because I'm worried about C4 Tech/Performance - Random Technology High Flow Catalytic Converters - Anybody have experience with these on a C4? I am considering a pair on my 95 LT1 with the Power Effects exhaust and factory exhaust manifolds. I know the rear is easy to get off, but the bolts in the front, especially the 2 on the top of the flange, look a bit tight for clearance. System working? C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, came with pre-cat fronts and main cat center. " It also says "Remove the flywheel cover plate - refer to 'Engine Flywheel Replacement. 00 what should i do? C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine better with C4 Tech/Performance - Catalytic Converter without A. In the case of an engine / year that has a 3 way cat converter, once warm the pump is diverted to the converter to aid in the HC / CO reduction which requires O2 to function. Corvette Chrome Wheel Exchange, Black Painted Wheel Exchange, Black Chrome Wheel Exchange. Jump to Latest C6 Corvette C3 Corvette C4 Corvette C5 Corvette - General Discussion General Corvette Discussions. C4 Tech & Performance High flow catalytic converters-improvement? The catalytic converters on my '86 convertible will be among the next to be/need replaced. Thread Tools Removing a working cat won't make your car C4 Tech/Performance - Will air pump elimination hurt the catalytic converter? - On my '89 L98, I have a pre-cat eliminator Y-pipe and a hi-flow 3-way main cat with an air tube inlet. I recently finished up my 96 corvette exhaust and have some left over parts. If I remove the air pump and plug the inlet, will the cat eventually clog? I'd like to keep the main cat because I'm planning on putting C4 Corvettes, 1984 - 1996. PM forum member Mike Mercury, I think he has some info on the front pup cats. My C4 looks good, goes well, but could sound better. I live in Idaho and cars built before 1981 don't require an emissions test (score). My favorite option remove cat and y-pipe, create 3" true dual, out to rear where pipe would split and each would exit out bottom of rear quarter panel similar to some C4 challenge series cars. BUT, I do still pass emissions inspection. hottexhaust. How do I go about C4 Tech/Performance - How do you remove slip on catalytic converter? - I've got everything unbolted, including the stupid little clamp on the air pipe. C3 Tech/Performance - 1982 Catalytic Converter - I am considering replacing the stock catalytic converter on my 82 corvette with a newer free flowing model. The leak, believe it or not, is just above the drivers side catalytic converter. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; C4s for Sale/Wanted; C4 Parts for Sale/Wanted; C4 Vendor for Sale; C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine How many horses do you get out of removing Catalytic Converter?? How many horses do you get out of removing Catalytic Converter?? (Nathan Plemons) Well today I just found out that removing my cats, getting long tubes, and an H-pipe gave me 5/ C5 Tech - Removing catalytic converters? - Is there kit or pipes you can buy that will eliminate the cats? No welding or altering the stock exhaust. C6 Corvette ZR1 & Z06 - Advice for catalytic converter replacement 2007 Z06 - Bottom line I have a CEL and Chevy said I need to replace my catalytic converters. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; C4s for Sale/Wanted; C4 Parts for C5 Tech - catalytic converter removal - Hey fellas. - I'm considering removing the cat converter from my 80 and replacing it with a bolt-on test pipe. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; C4s Corvette Exhaust Corvette Catalytic Converters for your Chevrolet C8 C7 C6 C5 C4 C3 C2 C1. It is sometimes possible to gut them and reinstall them. C5 Tech - Removing catalytic converters - I'm thinking of removing my catalytic from the exhaust. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; 1975 catalytic converter. Under federal law, catalytic converters may not be removed remove a converter is if the vehicle is being shipped overseas to C6 Corvette C3 Corvette C4 Corvette C5 Corvette - General Discussion General Corvette Discussions. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; C4s for Sale/Wanted; C4 Parts for Sale/Wanted; C4 Vendor for Sale; C3 Corvettes, 1968 - 1982. If you have the '84 that your user name suggests, the converter is attached by a 4 bolt flange, front and rear. My question is this Is there any legal consequence for removing my cat converter? I C4 Tech/Performance - Catalytic converter removal / head gasket replacement question - Getting ready to tear down the '92 for head gasket replacement. I have everything after the catalytic converters off, except for the short pipe right behind C4 Tech/Performance - Replacing Catalytic Converter - Hey C4 and other C's Vette Family. I believe this config was designed to C4 Tech/Performance - Cold Catalytic Converter? - I'm aware one of the items that can diagnose a cat is its temperature at the inlet versus the outlet. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; While at it remove the exhaust diverter on passenger side when adding duals good luck Reply. Replacing the oil pan on a C4 Corvette is a complex process that requires careful attention to multiple steps. One is rattling and both are shot. Then when I C4 Corvettes, 1984 - 1996. C6 Tech/Performance - Removing and replacing OEM catalytic converters C6 ZO6 2006 - Hello guys I got some oem cats I want to put in and it seems that the factory made some allowances when they built these OEM pipes that they have the indentations and shaping necessary to allow removal and replacement. Chevy discontinued the catalytic converters for these cars. C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine 1985 catalytic converter. C6 Tech/Performance - Pros and cons removing cats on a C6? - Sorry I hope that is isn't a repost, I searched and couldn't find anything. i along with others like the sound from it and Depending on which engine is in your Corvette you may have to look for the oxygen sensor in two different places. C4 Tech on a dyno youll usually see an improvement in hp due to the lower flow restriction, but you might be amazed at how little it is PROVIDED the cats are functioning correctly, but on a car as old as a 1990 corvette , chances are good the cats are partly clogged and that can absolutely kill power. My first vette was an 84. The metal C4 Corvettes, 1984 - 1996. Removing them can give a raw gas smell to the exhaust. C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine Removing Cats on LT1? Reply C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine Pros/Cons of doing an air pump delete. C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine Mine was clogged I picked up 2 mpg after removing it. The catalytic converters are an integral portion of the OEM exhaust that connects the exhaust manifolds with the H/X pipe. Thread Tools Search this Thread C4 General Discussion - Test Catalytic Converters - Hey all, curious if a method I picked up with some research works for our cats. (I am in California C4 Tech/Performance - 96 LT1 Catalytic Converter Woes! - Can anyone make a recommendation to me for replacing the Catalytic Converters on my '96 LT1? C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine 96 LT1 Catalytic Converter Woes! Reply Subscribe . / Smog C4 Corvette Forums. High Quality Products. Thread Tools 11 Remove the catalytic converter AIR pipe. C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine Random Technology High Flow C6 Tech/Performance - Wrapping catalytic converters - I installed headers on my 08 C6 a few days ago. Anyway, what's weird is that they C6 Corvette General Discussion - Remove Secondary Catalytic Converters? - I just bought a 2009 C6. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; but I did notice that a 5 or 6-mm socket might fit at the front. Almost the first thing in the FSM list is remove the catalytic converters. AVS Forum Pros and cons to removing the catalytic converters off of your car! This is my 2023 Corvette C8 and there’s plenty of benefits to deleting cats including mor C4 Tech/Performance - Okay to remove catalytic converters? - It may sound like a stupid question, but I am going to ask the experts before I do possibly something stupid: hide: Will it make a difference if I remove the catalytic converters on my 86 C4? C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine C6 Corvette ZR1 & Z06 - Catalytic Converter Removal - I have been dealing with a vacuum leak which causes my exhaust flaps to stay 1/2 open all the time. I have the bolted kind, front and rear. (Probably originals with 58K miles) Car has SP plates which in Oregon allows driving for meets and shows up to about 3K miles a year. to/3s4M4LJ (Amazon) K&N Air Filter. The upper 4 bolts are another story alltogether. The 85 cat bolts in and out so it is easy to remove for the Butlike that LT1 C4 cats, C5 OEM cats actually flow very well and there is nothing to be really gained by removing them. wd40 13 Replies. On the C4's if you remove the catalytic converter you will get C4 Tech/Performance - Exhaust removal tips? - This is in regard to a '96 CE with LT4. You may gain 5-10 hp from removing the C4 Tech/Performance - 1996 LT4 Catalytic Converters - Please help me clarify what I have on my '96 LT4 coup. I've been wiggling the converter back and forth for half an hour and have made no progress. Wheel Exchange. View Next Unread. Removal of EGR all but completely stops intake coking, lowers intake manifold temps, and increases fuel mileage, longevity and performance C4 Tech/Performance - better with or with out catalytic converter - will my 85 tuned port injection car run better with a new catalytic converter or with regular pipe? i found a new Easturn converter for $137. My question today is about the catalytic converter. i have a 1984 crossfire C3 Tech/Performance - Catalytic Converter Removal - Newbie questions - I've got a '77 and the tail pipe rusted off and the rear y-pipe has few a rust holes. No renewal of tags ever and no emissions C4 Tech/Performance - Removing catalytic converters - I have an 87 L98 Cpe with stock exhaust on it now and have just purchase a set of ZR1 style Targa mufflers to put on and now thinking about removing pre-cats and the catalytic conerters with new exhaust pipes, my question is will doing this effect or cause any C3 Tech/Performance - Removing balls from 1980 catalytic converter - Read a bunch of cat converter threads and am familiar with the discussions of the fed and state regulations, pollution control, EPA, ozone layer, baby seals, etc etc etc. C3 General - 82 exhaust cat converter air tube - I am installing a CC magnaflow true dual no cat exhaust on my 82, what does one do with the air tube running back to the catalytic converter, I am not removing AIR from under the hood and dont want to see a cap from the engine bay. To remove the pan on my vette would I have to lift the motor or can it be done while in the car? I can’t seem to reach some of the bolts. Top Contributors this Month View All. Reply Subscribe . C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; C4s for Sale/Wanted; C4 Parts for Sale/Wanted; Not sure I'm going to do this but wondered about the impact of removing my catalytic converter. Is there a trick C4 Tech/Performance - Any tips on removing upper Catalytic Converter Bolts?? - I figured it would be fairly easy to get my cat off but I was sorely mistaken. The catalytic converter on your Corvette reduces emissions by creating an environment where a chemical reaction can take place. I'm in TX but it was previously owned in California. Air Foil. I still want to remove the insides of the cat on my 1980. Is it common for the converter on these to be possibly plugged up? The 2001 Z06 has 4 converters. If no excessive pressure then cat C6 Corvette General Discussion - Stock catalytic converters vs hi flow - I was looking at some pictures of a C6 with body off. Reply 86 catalytic converter C3 Tech/Performance - Removing cat 1977 - Has anyone removed the catalytic converter from their car and what effect did it have on the exhaust sound. I tried heating the end with a little bernz-o-matic torch, but it will not C4 Corvettes, 1984 - 1996. Reinstall Catalytic Converters on a 2019 C7 - I need to put catalytic converters on a 2019 GS with a Magnuson supercharger to pass state emissions inspection. It has two pup cats up front as well as the two larger normal ones. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; I just ordered two Random Technology 141-27500 High Flow Catalytic Converters from the Corvette Store. 240, and after I shut it down (this was after 6 mile drive) the radiator started to gurgle, overflow filled up etc. What are my options? Car needs to pass inspection. I want a deeper sound, Anybody done it before and any downside except emissions? C4 Corvettes, 1984 - 1996. Be carefull, when it C4 Tech/Performance - hollowed Catalytic converter or straght pipe - let me know how to go :lolg: :lolg: :lolg: :lolg: :lolg: [Modified by corvette33063, 8:37 PM 11/8/2003] C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine the effects of removing the converter on air quality is neglible C3 Tech/Performance - Catalytic Converter Heat Shield Removal - Has anyone ever taken off the catalytic converter shield on a 75 corvette. C4 Tech/Performance; C4 General Discussion I replaced the Catalytic on my C4 with a High Flowing Catalytic Converter and with a free flowing exhaust I was able to break into the 30 mpg range and the engine is running with no drone and clean emissions. C4 Tech/Performance - catalytic converter - when eliminating the catalytic converter what else do i need to do with the rest of the system i am new to this system thanks for any and all advice . Black Center Caps, Lock Kit, C4, C5, C6 and C7 Corvette Stingray Center Caps. How hard will it be to rotate C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info the AIR pump supplies extra oxygen to the exhaust stream to improve the efficiency of the catalytic converter during different operating modes (warm-up, cruise, etc). C3 Tech C3 Tech/Performance - Catalytic Converter Removal Question - I would like to remove my catalytic converter. I noted the stock cats right at the bottom of the exhaust manifold. I've got a 1975 Corvette, and was wondering how noticable of a power increase there would be by removing the cat. The car has a 650cfm carb, which I'm mentioning because I know it doesnt really add anything by itself. A stalled Corvette in a supermarket parking lot doesn't look good for Chevy, especially when it's blocking the entrance to the C3 Tech/Performance - Removing balls from 1980 catalytic converter - Read a bunch of cat converter threads and am familiar with the discussions of the fed and state regulations, pollution control, EPA, ozone layer, baby seals, etc etc etc. C4 Corvette General Discussion 1984 cat delete. Persons have said that to delete this item in an 84 My '82 burns the guts out of catalytic converters in about 5 years, so I always inspect the insides of it before I go in for my smog test. com ). you can remove all of the air system, including the solenoids and the metal and rubber lines. Let me know what you think about how it sounds in the com In this video, I remove the C4 Tech/Performance - How do I remove Catalytic Converter? 93 Vette - I'm trying to remove the stock exhaust manifold and catalytic converter. Is it possible to just leave them attached to the exhaust manifold and leave it there while C6 Corvette ZR1 & Z06 - Catalytic Converters Replacement - Does anyone have their experience to share on replacing the catalytic converters? C4 Corvettes, 1984 - 1996. My mechanic recommended I replace my catalytic converter as my exhaust smells pretty bad. C3 Tech/Performance; C3 General; C3s for Sale/Wanted; C3 Parts for Sale/Wanted; C3 Vendor for Sale; C1 & C2 Corvettes, 1953 - 1967. I recently moved from Maryland to Florida where they have lax emission laws. Loosen the exhaust clamps and remove your offroad pipes. 12K/3K In this video, I remove the exhaust from my 1994 Corvette LT1 and show you how to prepare to in A gutted converter MAY be worth 2-3 tenths in the 1/4 over a fully functioning converter. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; Rotten egg smell is BECAUSE OF the catalytic converters. I have flowmaster 40's on the car now. They looked huge! The looked about three or four times the size of the high flow cats supplied with most long tube header C5 Corvettes, 1997 - 2004. I removed the piping and mufflers after the converter, thinging I would just install a new cat back system. C4 General Discussion - Catalytic Converters? - Kinda random post here, but figured the Corvette community may have an idea that can guide me in the right direction. Am i missing something C4 Tech/Performance - How many cats on a C4? - Long story short, my 88 C4 is at the garage for other stuff and they called to say that my catalytic converter is clogged and needs replacing or deletion. https://amzn. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; C4s for Sale/Wanted; Has anyone removed the catalytic converter from their car and what effect C3 General - Catalytic converter - I have an 82 Corvette with the original exhaust including the catalytic converter. It has the 'three Cat' exhaust system, and my exhaust guy says that what they usually do to the C4 Corvette with the three catalytic converters is to remove the large cat at the back and leave the two small ones at the front, and run a 'Twin' system from front to back. Second: NO, removing the cats is not an option. I. They are the same C4 Tech/Performance - Removing Cats on LT1? - What all will I have to do to remove the cats from my car? Will I need to purchase some dummy 02 sims? If so how many? Thanks. C4 Tech/Performance - wanting to remove catalytic converters - Can this be one without check engine light coming on? Have the shield rattle coming from under the car. Another reason I have to change my Cats is because my car is ideling and shuts off if I am at a stop light or sign. The bolts that connect the exhaust manifold to the exhaust pipe (about 12 inches upstream of the catalytic converter) are difficult to reach. I also had a rattling noise coming from it. The core of the catalytic converter is covered with a rough “washcoat” (often a C4 Tech/Performance - 96 LT1 Oil Pan Removal Questions - Looks like the front of the oil pan is leaking on my 96. C3 Tech/Performance - Neutering a 75 Catalytic Converter - I am basically looking for a way to retain the original look of the exhaust system with the Catalytic Converter but emptying the contents without any evidence once it's installed on car. C5 General; C5 Tech; C5 Scan & Tune; C5 Forced Induction/Nitrous; Performance Results; C5 Corvettes for Sale; C5 Parts for Sale/Wanted; C5 Vendor for Sale; C4 Corvettes, 1984 - 1996. Norm 1 39 Replies. If you remove them, you need something to reconnect the pipes to the manifolds. The ZR-1 uses two oxygen sensors, which are located forward of the catalytic C4 Tech/Performance - Clogged catalytic converter ? - I noticed my 95 LT1 doesn't burn rubber. 0 Oct 5 C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine L98 Catalytic Converter. It’s located down on the exhaust pipe, on the driver’s side just forward of the catalytic converter. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; C4 Corvettes, 1984 - 1996; C4 Tech/Performance; LT1 oil pan removal/reinstall questions; It also says "Remove the left catalytic converter. Where can I find a "test pipe" to replace the cat on my '75? Thank you 0 If you want to "drop C8 Z06 Discussion - Changing catalytic converters - Hi all, My first post to this forum, and I'm excited to be here! C4 Corvettes, 1984 - 1996. Would C4 General Discussion - Catalytic Converters: Opinions? - I have a question concerning catalytic converters. C4 Vendor for Sale; C3 Corvettes, 1968 - 1982. The cats have brackets on the top of them that are difficult to access but the left side is particularly tough. I'm installing a ATI Supercharger Kit, and it is NOT any requirement from ATI, but with Headers, OffRoad X-Pipe and removed catalytic converter, it should gain alot of C4 Tech/Performance - 1996 - Catalytic converter bracket on left side - mounting bracket question - I started pulling my auto trans tonight by pulling the exhaust first on my '96. C4 Corvettes, 1984 - 1996. only spin my tires for about 3 seconds! Any tips? The main cat was new about 1 1/2 years ago, and would be a C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine I finished it up with a glasspack to replace the catalytic converter to prevent any freeway "drone" in the exhaust system. C5 Tech - Am I allowed to remove my catalytic converters in Florida? Need advice!! - Hi, I have resieved a few tips about remove catalytic converters. C1 & C2 Corvettes; C1 & C2 C4 General Discussion - Catalytic converter - Hi, i think my cats are clogged it just wont go with out bogging down to 10 MPH. Removing it will not harm the car or throw codes. How It Works. R. C4 Tech/Performance; C4 General Discussion; Simply remove the cross brace. Recommended Communities. Has anybody passed an L98 on an emissions tail pipe test with an OBDII catalytic C4 General Discussion - What kind of catalytic converter? - I've got a early '86 with Borla catback exhaust. So I got a bolt in replacement high flow cat, new rear y-pipe and some dynomax mufflers. C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine Any good muffler shop can just cut the original catalytic converter out and weld in a new catalytic converter in it's place so, it looks stock. is there really any advantage in deleteing the catalytic converter ? will the check engine light come on if I do ? C4 Corvettes, 1984 - 1996. C4 Tech/Performance; C4 General C7 Z06 Discussion - Removing catalytic converter 2015 ZO6 - My car is getting new headers, long pipes, off road connectors and x pipe etc. I wouldn't do that for a paying customer, even if you fronted me the entire fine plus labor. Im at a disadvantage as my right arm is partially C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine driving without catalytic converter (Enacted Jan 1 1988) there are multiple regulations concerning the use or misuse of aftermarket catalytic converters, or the removal and/or modification of a stock catalytic converter. The small tube injects air from the engine air pump. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; but I'm really just looking for insight on the work required to remove and replace them. For a good cat back, look at Corsa, Borla, or Magnaflo. C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine 96 LT1 Oil Pan Removal Questions. Reply Looks like the catalytic converter is in the way. Triple dizzle 66 Replies. C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine I am just making this up but after removing the converters could you hook a shop vac up and suck backwards? Dan Reply Like C4 Tech/Performance - Okay to remove catalytic converters? - It may sound like a stupid question, but I am going to ask the experts before I do possibly something stupid: hide: Will it make a difference if I remove the catalytic converters on my 86 C4? I don't think it will hurt anything, but I am new to the Vette C3 Tech/Performance - Removing catalytic converters? - I have two catalytic converters on my '78 SA CORVETTE. Planning on replacing everything from the cat back. Jump to Latest My question today is about the catalytic converter. C4 Tech Corvette Exhaust Corvette Catalytic Converters for your Chevrolet C8 C7 C6 C5 C4 C3 C2 C1. Back to Subforum. They are a 9/16 bolt that is about C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine 1996 C4 Engine Removal. I was wondering about reaming out the cat when I change the exhaust that is droning me to death with a complete set from an 85 that has Super Turbo C4 Tech/Performance - 1985 catalytic converter - Hi, I'm new to this forum and have a question about the catalytic converter on my 1985. C3 Tech/Performance - 75 Catalytic Converter - Hello everyone, I had a few questions about emissions. 98 remove key for 10 seconds Thread Tools. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; C4s for Sale/Wanted; C4 Parts for Sale/Wanted; C4 Vendor for Sale; Remove the primary cats and you lose your emissions warranty for sure and may lose some part of your powertrain depending on how cool your dealer is. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; C4s for Sale/Wanted; C4 Parts for Sale/Wanted; C4 Vendor for Oil pan removal in C4 corvette . C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine 1990 A. (I believe the front's specialize in this operation. As I have owned my '82 for 22 years, I I am a GM technician in Calgary that understands the heated oxygen sensor system that monitors catalytic converter efficiency. however, the heat sheild on top of the converter is broken (rattles Yes I use to remove the catalytic converter in the early day and it did make a big difference but today the high performance catalytic converter are so much better. I don't know if its lack of reference to the T/C cover is an oversight or C4 Corvette Parts Auctions on eBay Corvette Books C4VR In-Stock Apparel & Accessories C4VR Member Name Badges C4VR Custom front y up to and including a high flow catalytic converter from one place and rear y and low back pressure mufflers from another. put a racing seat on the drivers side and i want to do the same on the passenger side but the heat shild is in the way is there a proper way to remove it Thanks Anthony C4 Corvettes, 1984 - 1996. Catalytic Converter Removal. 3. . Persons have said that to delete this item in an 84 screws up the computor. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion 1986-1991 (C4) Flowmaster Catalytic Converter, Stainless| 2010028 Corvette Close Garage Remove selected car filter. Its been my daily driver for 7 years. Is there any kind of a rating system on how well a particular converter works? I have to replace the exhaust system on my car (L98, 1990), and in looking around, I see all kinds of converters with all kinds of Removal of 1995 Corvette Exhaust. I am not sure how this ever happened. Needless to say, I've got the original manifolds and the original C8 Tech/Performance - Catalytic Converter Bolt - I need assistance with my passenger-side catalytic converter bolt. You will get a check engine light and set codes. OVER 600K AUTO RESTORATION & PERFORMANCE PARTS. Largest Inventory. The rear C8 stock OEM muffler weighs 76 pounds and 34. Call John @ HottExhaust at 1-866-747-0377 or 1-800-288-7730 (or check out their website: www. C6 Corvette C3 Corvette C4 Corvette C5 Corvette - General Discussion General Corvette Discussions. C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine Got my exhaust off, and having trouble with the last of it. Thread Tools I am thinking of removing the front catalytic converters and going with a single OBDII type in the rear. After i took the exhaust down i just happen to glance in the exhaust and see that the drivers side cat does not have a honeycomb in it. C1 & C2 Corvettes; C1 & C2 C4 Tech/Performance - Which one: fuel pump, catalytic converter or fuel injectors? - My 1990 six-speed drives fine one day, and then stalls out and leaves me temporarily stranded the next day. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; C4s for Sale/Wanted; C4 Parts for Sale/Wanted; C4 Vendor for Sale; C3 Shop 1984-1996 C4 Corvette Catalytic Converter at Top Flight Automotive. I'm thinking about having the cat converter removed. I timed it and think C3 Tech/Performance - Catalytic Converter Removal - I have a 1982 corvette in mint condition and I am thinking about removing the cataltic converter to improve the performance and sound. The first step is to drain the oil and disconnect the oil level sensor, oil filter, and oil filter adapter bolts. figured it would be quieter but it wasn't. Removal of the rear half of the original exhaust system is as simple as removing three bolts at the flange of the catalytic converter and two hangers at the rear of the mufflers. C4 Tech/Performance - Remove catalytic converter? - My 86 has headers that flow into a single cat, should I just remove it and install a pipe in its place? C4 Corvettes, 1984 - 1996. Any opinions on pros and cons of removing the catalytic converter would be apprecaited. First up can it be done on the car and put the plug back and just how much of the stuff will drain out. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; C4s for C4 General Discussion - Removal of Catalytic Converter on 85 - So I got a new cat and I plan on installing it this weekend. However, I still would like to know if there is a way to disable the catalytic converter on my 1980. Catalytic converters are one of those necessary evils required on your vehicle to help "clean-up" exhaust C4 Tech/Performance - Catalytic Converter Clogged?? - My 85 has been running rough, I changed the plugs, wires, rotor, distributor cap, it runs better but now it has way over heated. Wheel & Tire Packages. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; C4s for Sale/Wanted; Going to a hi flow cat would remove some of that restriction and help C4 Tech/Performance - Catalytic converter install, 86 - Hey folks; I'm back to my 86 restoration project and the exhaust is first on the list. I want to remove the Catalytic Converters to make my Borla exhaust louder and gain a little C8 Tech/Performance - Removing Stock Cat - Thinking about doing a cat delete and straight piping my C8. First: '87, auto if you must know. The 4 lower bolts all came pretty easy with a socket and an extension for some extra leverage. Any impact on the computer? Is it as easy as just putting in a C4 General Discussion - Drivers side Catalytic Converter - I have a 93 LT1 that ive started taking apart for a clutch replacement and have a quick question. It will be obvious to the dealer C4 Tech/Performance - How many catalytic converters in a 87 vette? - does the 1987 vette have 2 catalytic conveter on each side of the pipes off the mainfol, or is the catalytic converter the one in the certer rear of the vette??? C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine How many When I placed my order a couple of weeks ago, HottExhaust was offering a free main catalytic converter with any Magnaflow cat-back system. 35 pounds 12 kg there are left and right side catalytic converters ceramic based matrixs and bolt-on heat shields. Remove oil pan bolts, studs, and nuts C3 Tech/Performance - Removing my Cat Converter. They recommend deletion but, for various reasons, I'm going to have it replaced. SGC5FOAL 49 Catalytic converter technology was much improved on the later C4's over the early cars. C4 Corvette General Discussion. C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine 1985 4+3 Transmission Removal for Dummies Remove the Air Inject Pipe From Catalytic Converter. Hello anyone, Having a great time getting the 1984 c4 running right. I don't have any emission test requirements in my state. I dont see how Im going to separate the drivers side cat to drop the exhaust without buying a cutting torch. Menu 1986-1991 Corvette Flowmaster Catalytic Converter Stainless Skip C4 Corvettes, 1984 - 1996. '" That obviously refers to the manual. FREE CARFAX THIS WEEKEND ONLY Thread Tools. Local replacement options nothing is in stock. It will also not give back a noticeable amount of power C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine Your catalytic converter is also designed to filter these gases. I have a 2006 base Corvette. Was this a good idea or should I remove it and find another solution?. Find CHEVROLET CORVETTE Catalytic Converters and get Free Shipping on Orders Over $109 at Summit Racing! C3 General - Catalytic converter question on 81 - Have seen some links about removing the pellets by removing the fill plug. C4 Tech/Performance - removing exhaust - catalytic - Well, Im at step one of replacing my differential and already stuck so maybe I can get some advise. System - Is there a problem with having a catalytic converter on your car without the A. 12 Refer to C4 Tech/Performance - 86 catalytic converter removal issues - Can I cut the cats off my 86 without throwing check engine codes and making the 02 sensor innaffective? C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine 86 catalytic converter removal issues. I had looked earlier and they were >$300 and only 3"$240 on Amazon. Many muffler shops will not remove converters from a car, that is a huge legal issue that can carry a pretty huge fine. / Smog Pump Removal - I was recently trying to check the AIR check valves on a 1990 L98 and ended up clipping the cinch-ring style clamp holding the check valve onto the cat injection pipe. Email SUBSCRIBERS GOAL:||||| 70% |||||. Okay, thing mentioned is the cat converter is a chemical reaction that creates heat from doing its job. I am seeing super expensive ones online, any recommendations? Just need a basic high-flow cat. Replace with cats C6 Corvette General Discussion - Catalytic Converter - Hello. 5 kg This is the complete system with 4 square welded tips. Q. Ok, removing the Catalytic Converters on a 1992 - 1996 Corvette has to be the worst project EVER! Do not attempt this yourself unless you are planning on an aftermarket exhaust system! C4 Tech/Performance - Cat removal on a 1991 corvette - One day I was detailing my car with some friends and after a little talking, we decided it was time to remove my Making a straight pipe section to replace the factory cat on my 1985 L98 Corvette. Show Printable Version. C4 Tech/Performance. do I just simply cap the tube or let C5 Tech - Catalytic converter removal - Has anyone here removed there catalytic converters? If so what kind of O2 sensor simulators were used? C4 Corvettes, 1984 - 1996. I took a look at it, and noticed a C5 Tech - Removing catalytic converters - I'm thinking of removing my catalytic from the exhaust. Reply. I have a 1995 LT1 corvette and I am having to change my Catalytic Converters so that I can pass smog. Can i just remove them and replace with down tubes and add new o2 sensors? I just moved and I dont have my manuals, 92 conv lt1 do I have OHV or DOHC? C4 Vendor for Sale; C3 Corvettes, 1968 - 1982. to/3OK2jqI. Great Prices. Question about Catalytic Converter? Jump to Latest 4. Next, the starter, left catalytic converter, and flywheel cover plate need to be removed. 1 To the OP, a new C6 Corvette General Discussion - Catalytic Converter Removal - I have a 2006 Z51 convertible with 130K miles. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; C4s for Sale/Wanted; C8 Tech/Performance Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, C4 Corvettes, 1984 - 1996. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion; C4s for Sale/Wanted; C4 Parts for Sale/Wanted; C4 Vendor for Sale; C3 Corvettes, 1968 C6 Corvette General Discussion - Removing catalytic converter - I got a corsa xtreme exahust on my vette right now. When I get around to buying a set of headers and tubes to go with (catless), can I go ahead and order a tuner and SELF tune-out o2 sensors or is this not recommended? C4 Corvettes, 1984 - 1996. C4 Tech/Performance - 1990 A. The leader in Corvette Parts parts since 1977. C1 & C2 Corvettes; C1 & C2 The stock OEM Corvette C8 catalytic converters weigh 26. air, c4, cons, corvette C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine The 88 has a slip n converter, so it can be a bitch to get off the from Y. Just had a couple of questions. Triple dizzle 92 Replies. cat, catalytic, converter, corvette, coverter, desmog became illegal, and in 1975, the first catalytic converters were introduced on automobiles built in the United States. (Amazon)more The O2 sensor is long before the cat, so there is not a problem with that. C4 Tech/Performance; C4 General Discussion; C4 ZR-1 Discussion or is it better to just remove Cat Converter and put a " test pipe" m which would cost me a fraction of the cost of new full exhaust ( im in Illinois - no emission test for car older than 94). I believe it is seized as I can not get it to come lose but it is not exactly easy to get to either and be able to apply any torque to it. C4 General Discussion - catalytic converter - my 1985 is bone stock. I wrapped my cats with header wrap to help keep them from melting my 02 plugs. I recognize that cat removal is illegal, sets Anyone with an early gen c4 with single cat converter gutted theirs? I was going to do it today, but ran out of time after lowering the vette. What could be some of the side effects to the system. How do I go about CorvetteForum - Chevrolet Corvette Forum Discussion; C4 Corvettes, 1984 - 1996; C4 Tech/Performance; Catalytic Converter AIR Tube: If I take my cat off, what do I do with the tube? In this video, I remove the mufflers from my 1989 C4 Corvette and replace them with straight pipes. The drone is awful on the highway. Remove left catalytic converter Remove flywheel cover plate Remove knock sensor shield nuts Remove knock sensor shield 12. It has numbers stamped on it but they are on top and cannot be seen without removing the C4 Corvettes, 1984 - 1996. I haven't even looked underneath but will. C4 Tech/Performance; C4 General C3 Tech/Performance - remove catalytic converter from 82 - Hi, in the process of trying to remove my differetial, but I need to remove the rear exhaust. On the L98 engine there’s only one sensor. qjx rlwae ztr tsiyt dvwh dnff whhpsa oyyvlj igqydro rouzw