View Single Post
      02-08-2017, 01:41 AM   #40
MartyMcFly88MPH
Private First Class
74
Rep
105
Posts

Drives: M235ix
Join Date: Sep 2016
Location: CO

iTrader: (0)

I was just looking around at what's out there and noticed the Dinan tunes don't recommend a downpipe, no matter which tune you choose. They recommend their exhaust, but isn't that just a cat back? Am I missing something here? Wouldn't a downpipe be require like OP says?
Appreciate 0