Exhaust system (cat back) for LT4
Thread Starter
Burning Brakes
Joined: Jun 2001
Posts: 952
Likes: 338
From: Cedar Rapids IA
Exhaust system (cat back) for LT4
Looking into a new exhaust for the GS convertible. Don't want it excessively loud, but a bit of bark is OK. Especially don't want a lot of resonance if we would want to take a trip. A bit of extra oomph would also be a plus if that is possible with the previous constraints. Waiting for your opinions.
Best, Dave
Best, Dave
Burning Brakes
Joined: Oct 2000
Posts: 897
Likes: 0
From: My Own Private Idaho
Re: Exhaust system (MarkBychowski)
Corsa: Agreed. Not too loud, though there's no mistaking 'em for stock! :D
I'm very happy with the sound. It SEEMS faster and my wife agrees, but that could be because it sounds more powerful. Don't really know.
I thought someone had claimed a ~10hp gain at the wheels on a dyno for his LT4.....
I'm very happy with the sound. It SEEMS faster and my wife agrees, but that could be because it sounds more powerful. Don't really know.
I thought someone had claimed a ~10hp gain at the wheels on a dyno for his LT4.....
Melting Slicks
Joined: Jun 2000
Posts: 3,215
Likes: 6
From: Tampa Florida
Re: Exhaust system (cgtarga1)
I did before and after dyno runs with LT4 and Corsa and came back with 17 more RWHP. Pretty darn good for late model exhaust upgrade.
I highly recommend the system.
I highly recommend the system.
Burning Brakes
Joined: Jan 2001
Posts: 964
Likes: 0
From: Cedar Park Texas
Re: Exhaust system (cat back) for LT4 (GS583)
Does anyone have experience with the Borlas mufflers? I am just talking the mufflers, and not the cat back system. I also want something mellow but louder than stock, and definitely no reasonance. I did have the Dynomax Super Turbos one time and they sounded mild.
Burning Brakes
Joined: Aug 2000
Posts: 984
Likes: 1
From: Cincinnati OH
Re: Exhaust system (Ed Ut)
Does anyone have experience with the Borlas mufflers?
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Drifting
Joined: Nov 2000
Posts: 1,276
Likes: 0
From: Ft. Worth Texas
St. Jude Donor '11
Re: Exhaust system (cat back) for LT4 (GS583)
Dave, I installed the P.E. exhaust on my GS and love it. The best sound around for sure, they are adjustable and for trips I close them but any other time wide open :yesnod: fit and finish is A-1 and the black tips look alot better out the back of our GS then the shiney Corsas do IMHO. Call the direct they will answer any and all questions you may have. :cheers:
Jeff
GS345
Jeff
GS345
Burning Brakes
Joined: Jun 2001
Posts: 838
Likes: 2
From: Out by the bridge again, TampaBay
Re: Exhaust system (GSMVette 919)
1996's are the same exhaust for LT1 and LT4. They're different due to the O2 sensor setup. The Corsa is a great system. I was impressed with the fit, finish and sound. A nice rumble and no interior resonance.
Safety Car
Joined: Jun 2001
Posts: 4,397
Likes: 336
From: Haymarket VA
Re: Exhaust system (Half Fast)
1996's are the same exhaust for LT1 and LT4. They're different due to the O2 sensor setup.
__________________________
I'm a little tired and simple minded but, how can they be the same and different???? :crazy: Are you saying the stock exhuasts are slightly different but Corsa only makes one model for the 1996? In other words, if I were to order a Corsa exhaust would I have to specify it's for a LT4 or a 1996?
__________________________
I'm a little tired and simple minded but, how can they be the same and different???? :crazy: Are you saying the stock exhuasts are slightly different but Corsa only makes one model for the 1996? In other words, if I were to order a Corsa exhaust would I have to specify it's for a LT4 or a 1996?
Burning Brakes
Joined: Jun 2001
Posts: 838
Likes: 2
From: Out by the bridge again, TampaBay
Re: Exhaust system (GSMVette 919)
Sorry for the confusion. 1996's, both LT1 and LT4, use the same Corsa system. This system is different than previous years due to the dual cat, dual O2 sensor configuration. You will use the same system for a 1996 LT1 as a 1996 LT4.
