If I ever made that step, I'd just do the install in my garage. Looks a lot easier then the install I did when I had a 370Z (which had two cats).
I just wish the HFC was a more reasonable price. Not sure I want to do the catless & stage 2 to clear the codes.
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2016 340i M Sport Alpine White, BMS Intake, JB4 Beta
2012 335i Sport Line, RIP
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