Thread: m40i downpipe
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      10-02-2019, 11:30 AM   #16

Drives: 2020 Z4 M40i
Join Date: Sep 2019
Location: Lake Forest, CA

iTrader: (0)

Originally Posted by Joe240 View Post
No one has test fit the current b58 DPs as of yet. Unfortunately, I sold my m240i with the DS-1 sport cat DP because it was welded to the Remus exhaust. Debating on spending the $300 for the VR catless DP for the b58 and see if it fits. I'm going to guess it won't but haven't gotten under the car to get a better look. The Supra video looks like the downpipe exits at a slight turn whereas the m240i didn't. Again, might just have to bite the bullet and find out.
I was emailing RK Tunes and they told me their Supra DP is not good for the m40 and they told me to order their downpipe for B58 340. See the link below.