Bolt on part increases

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1990cb7

New Member
I was on eBay looking for some bolt on parts and happened to read the stated HP gains. I was wondering if you could realistically gain 25-40 HP from a catback exhaust, cai and header. I've heard that those numbers are kinda skewed. Anyone have an opinion or know if its true?
 
on a stock motor? nope. maybe a few hp if you dont get tuned. maybe a few more if you do. dont believe any BS power claims for IHE
 
I was thinking the same thing. I knew turbo applications got more power out of bolt-ons. 1 other question, will a IHE from an f22 bolt on to a h22/23? Or are they different fitments?
 
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