|
It does help for driveability around town but to me its not worth the money. It has also never been proven to increase performance. I think your money could be better spent towards an exhaust system (ASR) or headers. If I could do it all over again, I would not do it.
__________________
07' M5 SILVER/BLACK
RPI Ram Air w/BMC's
EVO Pulley
ESS Tune
Sec Cat Delete/SS X-Pipe
Dinan 3.91 Rear
|