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tcamp · 08-17-2009, 02:15 AM

There really isn't much of a HP gain from any exhaust period. 6 HP max. Every exhaust system on the market right now is pretty much just for sound until they crack the ECM. Same with the CAI and everything else.

I'm not a car expert but I've been doing a ton of research on this stuff and from what I understand until they find a way to take out timing all of the gains will be marginal at best. With all of those upgrades AND a tune it will be a pretty substantial update but until they can tune it its all just for sound and maybe 6-10 HP.

Also, specifically as pertains to the cat back vs axle back, on this car it isn't a huge deal. The stock pipes, cat and pretty much everything except the mufflers is pretty good as is.

08-17-2009, 02:15 AM	#6
tcamp Drives: 2010 1LT RS Join Date: Jun 2009 Location: Ontario, CA Posts: 98	There really isn't much of a HP gain from any exhaust period. 6 HP max. Every exhaust system on the market right now is pretty much just for sound until they crack the ECM. Same with the CAI and everything else. I'm not a car expert but I've been doing a ton of research on this stuff and from what I understand until they find a way to take out timing all of the gains will be marginal at best. With all of those upgrades AND a tune it will be a pretty substantial update but until they can tune it its all just for sound and maybe 6-10 HP. Also, specifically as pertains to the cat back vs axle back, on this car it isn't a huge deal. The stock pipes, cat and pretty much everything except the mufflers is pretty good as is.