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      02-26-2010, 01:40 PM   #11
H Bomb
Lieutenant Colonel

Drives: 08 M3
Join Date: Jul 2007
Location: FL to NY

iTrader: (4)


depends, if you get the Dinan Midpipe for instance they have special software for it bc of the no cats and so you would want to get that software, but a reg x pipe i would think you can run with no tune and be fine. some guys don't like to mess with there ECU to protect there warranty and i don't blame them. i went with the Dinan Software for this reason. they are the only one i trust with my ECU, no offense to any of the others
Street- 08 E92 M3- Sparkling Graphite/ Fox Red/6sp
Track- 10 CRF 250-PR2 Race Motor/Ohlins TTX Susp
Hauler- 06 Ford Skyjacker F250 4WD