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      01-14-2013, 02:26 PM   #12
c_ozanich
Mech Engr
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Drives: 2011 135i 6MT
Join Date: Sep 2012
Location: Aiken SC

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Quote:
Originally Posted by GeeRam View Post
Don't bother with either DP then if you are not going for a tune, as both versions will very likely throw a check engine light on the dash.

If you just want more noise, get a BMWP exhaust with Y-pipe delete, or a similar aftermarket system.
yup. axle or midpipe back for strictly sound
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