1033, RE: WTB Greddy header Posted by fasterGS, Dec-31-69 06:00 PM
Just a heads up... the greddy header bolts to the upstream side of you catalytic converter, and you cat-back bolts up to the downstream side of the cat. This means it does not matter which cat-back you have, any greddy header (as long as it has not been modified) will bolt up just fine.
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