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      01-21-2013, 08:33 PM   #137
Munit
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Drives: m3
Join Date: Oct 2012
Location: CA

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Quote:
Originally Posted by flinchy View Post
ummm


that thread is to do with testin POORLY DESIGNED headers... if you read the whole thing.

look at other tests, they show that headers are a major improvement, especially with forced induction.
Headers historically produce big power for 2 reasons

1-OE was a simple manifold/dump system
2-headers (or manifold even worse) had primary cats built in

Either scenario replacing these by a tuned set of regular headers would yield big gains.

Taking a set of OEM headers with no cats leaves no room to be gained on the stock engine. Add 150hp then I am sure there is room for improvement.
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