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2014 Gsxr 750 M4 slip on

2K views 5 replies 5 participants last post by  7-Fiddy  
Looks like the mid-pipe is at the wrong angle for this muffler. The M4 GP is designed to slip onto the exhaust port of the stock catalytic-converter (or a mid-pipe that has the same angle & diameter).

Def didn't look like that when I had one on my L8 750