Thread: Resonator delete needs a H-pipe for proper boost?
View Single Post
      06-02-2012, 08:18 PM   #12
cn555ic
cn555ic's Avatar
United_States
441
Rep
18,331
Posts

Drives: 335i
Join Date: Jun 2007
Location: US

iTrader: (6)
H-pipe and Xpipe basically changes the frequency of the exhaust note...
Appreciate 0
Quote