View Single Post
      11-20-2012, 02:14 PM   #8
White Shark
ms372's Avatar
Drives: AW E92 m3 6MT
Join Date: Mar 2012
Location: Montreal

Posts: 911
iTrader: (0)

i have the challenge sport and both are great you will get the same feel from both actually. but as dave said challenge will give you rasp depending on the muffler. well whenever you delete the primary cats you will get rasp with the stock muffler.
ms372 is offline   Canada
Reply With Quote