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Rich in AZ
Firstly, I've always had good luck with FMF. Fit, finish and function are first rate. My go to when the stocker gets mashed. Given the above, the FMF Gnarly doesn't fit well on the 2020-21 Beta 300 RR. There are four points with minimal clearance. Between the pipe and the left side radiator around 5mm, there is less clearance between the left side frame below the exhaust port. There is less than1/2" clearance between the pipe and the right side of the radiator and it brushes up against the right side power valve cover. It looks like FMF just tweaked a 2015 KTM pipe and relocated the lower mounting tab.Read All Reviews
braden in CO
Pretty solid. Way more protection than the carbon fiber guards.Read All Reviews
Nick in MI
Holy cow what a world of a different this stuff made! I pulled my fmf 4.1 apart and there was hardly any packing. I purchased this followed directions and had no problems what so ever! Don’t be the dude with a loud exhaust purchase yourself some new packing your friends and neighbors will thank you!Read All Reviews