06-21 Yamaha R6 M4 Full Titanium System With X96 Muffler
M4 Full Titanium System With X96 Muffler X96 style carbon fiber muffler Titanium tubing Saves 14 lbs over stock Adds 7.9 horsepower at 15,600 RPM Comes with M18 O2 bung and plug Kit Does not include quiet insert Stage 1 Q8 and stage 2 Q6 quiet insert sold separately