does anyone no how much hp a gmpp exhaust will add.
06-24-2007, 01:05 AM
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does anyone no how much hp a gmpp exhaust will add.
I have a injen cai, stage 2, ingalls engine damper, 2.8 pulley. i just ordered it i was gonna get some other opinions to see if its worth it.
Oh yea thats with the gmpp header also.
Oh yea thats with the gmpp header also.
Last edited by invisible; 06-24-2007 at 01:05 AM. Reason: Automerged Doublepost
06-24-2007, 01:10 AM
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Cobalt Cat-Back Exhaust System Performance 17802111 Description
17802111 Cobalt Cat-Back Exhaust System-Performance Single Outlet, Production Location.
12 hp from GMPP Performance exhaust!
Note: This GM Performance Parts Cat-Back exhaust system is sold with out exhaust tip.
17802111 Cobalt Cat-Back Exhaust System-Performance Single Outlet, Production Location.
12 hp from GMPP Performance exhaust!
Note: This GM Performance Parts Cat-Back exhaust system is sold with out exhaust tip.
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