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      02-26-2017, 07:42 PM   #9
opihi5
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Drives: 2011 m3
Join Date: Feb 2016
Location: San Diego

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2011 BMW M3  [10.00]
Maybe a topspeed catless x pipe, can choose up to 4 resonators for ~800. There is a complete write up on one somewhere on the forums, no need for these manufacturers to go marking up x pipes to be thousands. Then get a evolve tune with pullys and air intake.
Appreciate 0