Quote:
Originally Posted by e92Mjunky
I heard from a source that several major aftermarket companies built and tested headers and could only make 2-3 hp, to mass produce a product that may retail at $3-$4K would not be worth anyone's time or effort, I bet the install would be a major pain too
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This is true, come of the most well know manufacturers have done alot of testing and gained not alot other than some midrange torque.