Quote:
Originally Posted by hognutz
well yes and no. you get some boost loss with them on as well. so headers on a Zl1 are not as rewarding as an SS.
my advice is just pick up the stainless power $629 headers that way the 15hp you gain or so is more in line with the money.
people who buy kooks and arh are just out quite a bit of money for the hp gain.
now if you doing an all out build 700whp+ I think the kooks, arh, stainless power 2" tube headers might be worth the extra coin. on a budget build the extra money is better spent else where as teh fit and finihs on the stainless power is perfect.
car sounds way better with headers for sure and catbacks are more than headers.
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Just in case some people read this post and are confused.
Boost loss is just the proof that the headers flow better than the oem manifolds.
Less restriction = greater air flow = less boost pressure = more power (engine breathes easier)
many people get caught up on the "how much boost?" fad and forget that boost is just a measure of restriction.
CFM flowing in and out of the engine is far more important than having the highest boost numbers. (But nobody has a CFM gauge in their car)