Apr 30, 2011 #41 1990GMCSIERRA I'm Awesome Joined Jul 13, 2010 Messages 2,482 Reaction score 36 Location Smithville ,Tennessee id run a flowmaster man
Apr 30, 2011 #42 J jb034 I'm Awesome Joined May 23, 2010 Messages 264 Reaction score 2 what a 50 series? and can i go with 2.5" all the way back?
Apr 30, 2011 #43 Fobroader I'm Awesome Joined Jan 31, 2010 Messages 2,145 Reaction score 32 Location Beaumont, Alberta, Canada I have a Super 50 muffler on my truck.
Apr 30, 2011 #44 J jb034 I'm Awesome Joined May 23, 2010 Messages 264 Reaction score 2 ok i got a di/do magnaflow 2.5" from a guy for $80. now im probably going to get 2 thunderbolt cats