GMPP Performance Cat-Back
01-24-2008, 08:14 PM
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GMPP Performance Cat-Back
So I finally ordered my GMPP, I work at the dealer so it cost me $500.00 with tip. It gets installed on Saturday, I hope I will be impressed.
What are all of your first impressions with this?
Gains? Boost? Feel? Sound?
Nobody has a GMPP Cat-Back?
What are all of your first impressions with this?
Gains? Boost? Feel? Sound?
Nobody has a GMPP Cat-Back?
Last edited by OverbooSSt; 01-24-2008 at 08:14 PM. Reason: Automerged Doublepost
01-26-2008, 02:23 AM
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I've had both , they both sound good , if your looking for a performance increase , you prolly won't feel any difference . The Performance will spit and pop on downshifts , and you won't hear the blower nearly as much as u used to . Boost will stay the same or go down slightly . Touring is the same only it's mellow and only loud when you mash on it ..... oh and you can still hear the blower .
How is it considered a performance exhaust when it decrease's in size from the stock exhaust pipe?
01-26-2008, 02:27 AM
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01-26-2008, 02:28 AM
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i noticed very little power gain after i added on my gmpp header and catback w/ the touring tip. i love the sound from the touring because its noticable but not obnoxious. after i put on my k&n intake i felt the car opened up quite a bit. i think if you going with a catback you should compliment it with an intake to open both sides of the air flow.good luck on the install
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