Active Autowerke |Presents: The Signature Black Series - Ceramic Exhaust Systems
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02-14-2013, 11:52 AM
BimmerPost Supporting Vendor
Drives: 435I - 2017 F80 M3 On its way
Join Date: Dec 2011
Location: Miami Fl
Originally Posted by
Wow that looks great!
I never realized you guys used 3" Diameter! My understanding is that most use 2.5" ID?
We use a factory 2.5'' for our xpipe and switch to a 3'' inch for the axle back section
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