Quote:
Originally Posted by NissanGuy
I admit I didn't re-tap the holes or use anti-seize, but I've actually replaced all the gaskets twice (lesson learned: Grimmspeed literally blows), and followed up with a smoke test to verify no leaks. Apparently this fault code (nominally for a stuffed cat) happens to a lot of people with this header.
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You could try those 02 spacer defoulers but the rear 02 is a bitch to get to without removing header.
if your thinking of a tune in near future it the best way and will have other benifits.
read the likns below if you want more info on tuning ect.