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      12-03-2019, 01:28 AM   #3
AcidLotus
Second Lieutenant
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Drives: 2020 X3 M40i, 2014 640i
Join Date: Oct 2011
Location: Houston

iTrader: (5)

Quote:
Originally Posted by tibbie03 View Post
I thought the earlier 535 models had 3.5" piping, no?
I just grabbed it from ER's website: http://evolutionracewerks.com/node/240

Maybe 3.5 stock but would fit 4" as long as it tapers to the correct diameter in the end? I'm not entirely sure.
Appreciate 0