15-24 Yamaha FZ-07/MT-07 M4 Full Stainless System With RM1 Muffler
M4 Full Stainless System With RM1 Muffler Black ceramic coated RM1 style muffler 304 stainless steel tubing with high temp ceramic coating Saves 8.6 lbs over stock 5% increase in power Does not include quiet insert Stage 1 Q7 quiet insert sold separately