M109 Rider Forums banner

cobra tri-pro

  1. M109R Shop Talk
    If you are buying this exhaust, I'd like a small favor before you install.. an internal and external diameter measurement of the pipes that merge into the single main. I think it will be 1 3/4 inner and 1 7/8 outer, but hesitant to take my exhaust apart again. I called Cobra for help on this...
Top