Quote:
Originally Posted by LRGPhD
I'm considering building to bm3 stage 2 on my F23 228i xDrive (N26). I don't want a catless downpipe. Probably a dumb question, but will a catted downpipe work? Does anyone have recommendations?
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HFC (VRSF) will work on stage 2 no issue, remember the FMIC and charge pipe.