Quote:
Originally Posted by Overflow
So if I get a tune it'll take the CEL off and allow autostart?
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Correct.
Most headers delete the rear o2's which cause a code and if you put high flow cats or "cats" (empty shells) with rear o2's it'll cause a code.
However, long tubes are an easy way to pick up 20-30HP. I have the cheap speed engineering ones with zero complaints. They were $250 I believe.