View Single Post
      09-30-2008, 07:51 PM   #5
kyleb350
Brigadier General
kyleb350's Avatar
United_States
51
Rep
4,196
Posts

 
Drives: F30 335i M-Sport
Join Date: Jun 2008
Location: LoMbard, IL

iTrader: (6)

To answer your question, though, if the downpipes make a gain on a stock engine (w/o any tune), it will sure give you a gain with SSTT. The better the tune, the higher the gains.