Quote:
Originally Posted by Weissach
I would also like to swap the primary cat / downpipes as you have, but I am hesitant to tune the car for warranty concerns...assuming you are not on a stock tune?
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He doesn't have the X3M anymore so I don't know if he'll see this or reply, I'll answer for him though. No, he wasn't on stock tune. He had a tune in Italy, it got wiped at the dealer here in the States, then got another tune here.