Quote:
Originally Posted by Royce Martin
I'm looking to install some downpipes, I have a F06 650i Xdrive. Which company would be the best to go with?
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Just google it, there's only a few companies out there that make them, also check ebay and any vendors here for a deal or a used set. Understand that you will have a check engine light and reduced power per the dyno's we have seen. There is no tuning solution for the N63TU that I know of that controls the o2 sensors like a JB4 or similar would on other cars like the M5/6.