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Re: Questions about pcm and exhaust
This is a very vague answer because it all depends on what exhaust you like. The sounds can vary by manufacturers so much that it's to hard to narrow it down to one for everybody. A Borla sounds nothing like a SLP!
As for HP gain, a cat-back system is minimal, about 15 HP at the crank. If you do a complete header-back exhaust with a high flow cat or straight pipe you could see some serious gain! Somewhere around 10-15 to the wheels.
PCM's I cannot help with, sorry. I too need to learn about them for future referance!
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04 GTP CompG 3.8L Supercharged
K&N FIPK/180Tstat/SSC Springs/GMPP STB's/Autolite APP605's/Aluminum Grilles/SPO Tips/17" AE Alloys 185's/2 RockfordFosgate He4410 Subs & 1 P4002 Amp
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