View Single Post
      07-24-2008, 09:03 AM   #13
HP Autosport
BimmerPost Supporting Vendor
United_States
418
Rep
11,447
Posts


 
Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, Brembo, GIAC, Koni, Ohlins, Performance Friction, Quaife, Stoptech, Vorshlag

iTrader: (29)

By adding the 2nd cat deletes, you may be able to change ther rpm or range the exhaust drones.