View Single Post
      09-26-2008, 12:11 PM   #8
jeremyc74
Banned
United_States
76
Rep
5,970
Posts

Drives: '08 135i Montego/Terra
Join Date: Feb 2008
Location: Evansville, IN

iTrader: (0)

I saw a significant improvement the first couple of tanks after I installed the catless DPs (about 4MPG) but it seems to have tapered off some now, to maybe a 2MPG improvement over what I was seeing before. Still any power increase that doesn't HURT mileage is great IMO.
Appreciate 0