I'm geting a roadrunner twin put together and what to know what pipe you guys are running. It will have CMB HR 91s in it. Any and all input will be helpful And as awlays thanks in advance. Ryon Shaw
Concur. MACS 15CC NITRO pipe, model # 1395, has the flat band in the center of the pipe. Length is about 12" from the engine center to center of the flat band. Mike Tyson's (T-MOD) add on mufflers work very well if you can't get Harry's.