by aj_mariner » Tue Jan 17, 2023 6:02 pm
So FMF jacked their measurements. Fitment is around 1mm smaller OD. Purchased a new stock pipe, and exhaust flange, to measure. If you want an FMF pipe, use liberal amounts of RTV, or save the fitting off the stock pipe to weld on new pipes. I have only compared to FMF Factory Fatty.
‘17 300 RE - gone
‘22 300 RE