View Full Version : Borla xr-1
03-25-2012, 10:23 AM
Getting new exhaust for my truck Im going to get borla xr-1 oval but not sure if i should get the 12 or 16 inch is there a big differents in sound. And would you run 3 inch dual all the way out the way or reduce down to 2.5 after y-pipe.
03-27-2012, 12:01 PM
dual 2.5", 3" would be unnecessary and a nice power loss
and 12" is gonna be a bit louder than 16"
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