Re: American Racing Header SPECIALS!
Carl,
The headers are not CARB certified. But I don't know of any "full length" headers out there with the certified. We don't have any before and after dyno's on any gen2's. Not everybody wants a before and after. We have seen consistant 454-462rwhp on stock 2000-2002's with no other mods other than full exhaust and tuning.
As far as o2 sensor codes with cats, we have seen some codes get thrown, but rarely. We do have cars out there with over 1500 miles on their system with no check engine lights ever coming on.
Todd
Last edited by ACPERFORMANCE; 04-04-2008 at 03:33 PM.
Reason: mispelling
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