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2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque

Gmpp Catback

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Old 03-26-2011, 04:23 PM
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Gmpp Catback
Does anyone have the gmpp cat back? How does it sound? Any proformance increase?
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Old 03-26-2011, 04:30 PM
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Yes. YouTube. Search
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Old 03-26-2011, 04:44 PM
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I do I love the sound but I'm catless though
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Old 03-26-2011, 04:45 PM
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Its one of the best exhaust systems out there for our cars
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Old 03-26-2011, 05:51 PM
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i have it. i loveee it. not too loud and not too quiet.
ill be installing my ZZP catted downpipe prettttttttttty sooon so it should sound even better!
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Old 03-26-2011, 06:07 PM
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Cobalt / G5 Cat-Back Exhaust System Performance 17802111 - Crate Engine Depot

Go there. Read. Click the link to hear both systems on the car.
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Old 03-27-2011, 06:44 PM
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Originally Posted by MachiBLue
Cobalt / G5 Cat-Back Exhaust System Performance 17802111 - Crate Engine Depot

Go there. Read. Click the link to hear both systems on the car.
The stock one does not sounds like our stock at all
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Old 03-27-2011, 07:00 PM
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they probably did it on an ss, im gonna buy the touring as soon as i get the money. i have the tsudo now and i cant stand it
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Old 03-27-2011, 07:10 PM
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i have it. it sounds awesome in my opinion. i have stock mani and dp, and the gmpp exhaust. don't know anything about power gains cause i bought the car with it on and don't know what it was like before hand.
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Old 03-27-2011, 07:10 PM
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i got the performance gmpp, i like it nice an deep, not loud enough tho lol
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Old 03-27-2011, 08:36 PM
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im gonna purchase this because i want something quieter than my tsudo, and something that actually fits right lol
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Old 03-27-2011, 09:05 PM
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the exhaust sounds great tho nice and deep, i still need my zzp longtube to add a lil more oumpf to the sound lol
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Old 03-27-2011, 09:25 PM
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yea the exhaust sounds good wish it was a tadd louder but my downpipe should beef it up a little
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Old 03-28-2011, 01:32 AM
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Sounds Awesome! I just got mine about a week ago. You'll love the sound.. And I have stock header/downpipe for now.
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Old 03-28-2011, 11:16 PM
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Ya but r u guys talking about the touring or the Performance version?
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Old 03-29-2011, 12:04 AM
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i have the performance version
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Old 03-29-2011, 01:30 AM
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Performance version.
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Old 03-29-2011, 06:33 AM
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performance
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Old 03-29-2011, 11:16 AM
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Well right now i have a fart can.. Is the gmpp going to be louder or quiter
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Old 03-29-2011, 12:43 PM
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possibly quieter.
i like it because its not a cop magnet at alllll.

some fart cans are so damn obnixious they make me wanna kill someone.
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Old 03-29-2011, 02:29 PM
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Originally Posted by Cobalt08LS
possibly quieter.
i like it because its not a cop magnet at alllll.

some fart cans are so damn obnixious they make me wanna kill someone.
Ya mine is pretty loud. Im looking for something quiter but i dont want it to be to quite.. i wont i nice middle one
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Old 03-29-2011, 07:19 PM
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It sounds perfect. Its quiete when your just cruisin it but it sounds just right when you wanna punch it here and there. Has a nice idle sound too.
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Old 03-29-2011, 07:26 PM
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gmpp is definitly quieter then a fart can
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Old 03-29-2011, 10:45 PM
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i have the performance catback with stock mani and dp for now even thou i have a ss mani in the garage. once the cat is warmed up to operating temp it sounds beautiful, nice and deep but not obnoxiously loud. it's loud enough that you can't sneak home at 4am thou!
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Old 03-29-2011, 11:01 PM
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I just need to know if it's quieter than the tsudo
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