people with oem exhaust mod please step in
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08-19-2012, 01:15 PM
Private First Class
Drives: 11 E92 M3 BLK ZCP/ 12 Rng Rvr
Join Date: Mar 2012
Location: Naples FL.
Has anyone put a straight pipe design on there e92 m3 and checked power dif. on a dyno?
Just curious to see power gain/loss.
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