Question about headers and exhaust(suprise huh?)
Question about headers and exhaust(suprise huh?)
Okay I was wondering, will headers give me any noticeable gains as far as power goes? I have always heard that a general rule is that they add 10% of the engine's HP, but I dunno if thats true. I would like to get headers without A.I.R. because they dont do emissions tests in the part of the state I live in. Also, could guys recomment a good, inexpensive exhaust system? I want one that is deep and somewhat loud, but no obnoxiously loud. Thanks for the advice.
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Teal Green 91 Camaro RS
305, Automatic Tranny
Stock for now
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Teal Green 91 Camaro RS
305, Automatic Tranny
Stock for now
Supreme Member

Joined: Jan 2001
Posts: 7,164
Likes: 1
From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
Headers definately give you HP, I'm not sure of the 10% thing though. But there's a reason why most people make headers there first major mod. As far as an exhaust system goes, get the Hooker cat-back, it's awesome. There are sound clips of it in a post not too long ago.
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"Rice burners are like tampons...Every pu$$y has to have one"
'86 IROC
T-TOPS, TINTED WINDOWS, BRAKE LIGHT BLACKOUTS
GM GOODWRENCH 350
EDELBROCK TES HEADERS
3" Hooker CatBack w/Aero Chamber muffler
EDELBROCK 600CFM CARB.
KN AIRFILTER
ACCEL HEI DISTRIBUTOR
160* Stat, just switched to 180* b/c of winter coming and going to college in the mts.
3:73 Posi
Rebuilt 700R4
B&M Megashifter, 5" Autometer Tach w/shift lite
------------------
"Rice burners are like tampons...Every pu$$y has to have one"
'86 IROC
T-TOPS, TINTED WINDOWS, BRAKE LIGHT BLACKOUTS
GM GOODWRENCH 350
EDELBROCK TES HEADERS
3" Hooker CatBack w/Aero Chamber muffler
EDELBROCK 600CFM CARB.
KN AIRFILTER
ACCEL HEI DISTRIBUTOR
160* Stat, just switched to 180* b/c of winter coming and going to college in the mts.
3:73 Posi
Rebuilt 700R4
B&M Megashifter, 5" Autometer Tach w/shift lite
ok since i got confused by the post before the last, what kind of power gains come from a catback exhaust? anything significant? or just noise...im curiose cause i got a paycheck coming it two weeks that i can play with =) so i was gonna do open element, cheap catback (pacesetter) and a cutoff. then weld the crap together. hope i have enough money...
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