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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 03-20-2010, 09:15 PM   #1
Fogey

 
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GM Cat Back?

Is there a GM cat back available from the dealer. If so, has anyone installed it and how does it sound?
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Old 03-20-2010, 09:19 PM   #2
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here you go:
http://www.gmperformanceparts.com/_r...09_Catalog.pdf

No i haven't heard it.

Edit: Scroll down to pg. 324
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Old 03-20-2010, 09:26 PM   #3
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I think it is the same as Borla
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Old 03-20-2010, 09:40 PM   #4
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Thanks

nt
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Old 03-21-2010, 07:22 AM   #5
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GM cat back

I have the GMPP performance exhaust. Sounds sweet with headers and cai. Kinda tame without them though. Put the performance was noticable right away. From everything I've read thats kinda unusuall.. Wish I had a sound clip. Try and get one later.
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Old 03-22-2010, 09:30 PM   #6
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Yes there is have it and it sounds great although I doubt GM makes it. Not loud until you get on it.
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Old 03-23-2010, 08:48 AM   #7
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Yes there is have it and it sounds great although I doubt GM makes it. Not loud until you get on it.
It sound 100% better with the Long tube headers and high flow cats and cai. . I haven't seen any others that look or sound like it myself.
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Old 03-23-2010, 09:53 AM   #8
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I just order the exhaust upgrade kit today, should be there by tomorrow. Don't wanna void my warranty so i'm sticking with GMPP. The shorty headers they offer are discontinued, and the airbox is out of stock so i am s.o.l. for the moment.
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Old 03-23-2010, 10:16 AM   #9
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I have the GMPP exhaust on but I have yet to drive my car as I am out of the country right now. Had it put on when the car was delivered to my wife in December and she said it is meaner sounding than our SSR and that thing has an excellent exhaust note.

A little off topic here but Bonemaro, I ordered the airbox as well. This was back in December and it has yet to arrive. My dealer called GMPP directly about two weeks ago and they said they didn't know when it would be produced IF it would be produced. At that point I had my dealer order my choice of an aftermarket one for install. Getting put on today as a matter of fact.
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Old 03-23-2010, 10:50 AM   #10
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Quote:
Originally Posted by Fogey View Post
Is there a GM cat back available from the dealer. If so, has anyone installed it and how does it sound?
I have them
But with Kooks long tubes and free flow cats, And a cam
2ss LS3 with Factory crossover and resonators
here is a clip of what it sounds like at idle with a short rev (the video was interrupted by someone)
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Old 03-23-2010, 11:02 AM   #11
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sounds pretty good
autobot's car sounds really good we did all his mods
i have a gmpp exhaust that we pulled off of one my customers cars i know he is wanting to get rid of it if you interested let me know its the axle back
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Old 03-23-2010, 04:33 PM   #12
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Quote:
Originally Posted by agkelly73 View Post
A little off topic here but Bonemaro, I ordered the airbox as well. This was back in December and it has yet to arrive. My dealer called GMPP directly about two weeks ago and they said they didn't know when it would be produced IF it would be produced. At that point I had my dealer order my choice of an aftermarket one for install. Getting put on today as a matter of fact.
Sorry to hi-jack the thread, but i was afraid of that. Oh well something to look forward too?
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