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      01-24-2013, 08:50 PM   #5
2Quack
Corleone
Canada
0

 
Drives: '13 335i xd M sport
Join Date: Oct 2012
Location: AB


Posts: 8
iTrader: (0)

I was considering a mpe but not so much if it is just to improve the sound. My next problem is if I were to install an aftermarket exhaust would the increase in performance decrease my fuel economy? If so I would have to stick with the mpe. LOL