FMF Dual Factory 4.1 RCT Packing - CRF 015304 1860-1849 Optional B1-Syle Quick-Change End Caps — Fluted/Straight-Cut DB LEVELS TESTED AT 4500

DB LEVELS TESTED AT 4500 RPM

Chrome finish

Replace the stock axle and the ugly end nut

Make Model Year YAMAHA YZ250F 19-24 YAMAHA YZ250FX 20-24

FMF Dual Factory 4.1 RCT Packing - CRF 015304 1860-1849 Optional B1-Syle Quick-Change End Caps — Fluted/Straight-Cut DB LEVELS TESTED AT 4500Did you know a freshly packed silencer or muffler actually restores power? Owens Corning fiberglass replacement packing keeps mufflers performing as they're meant to This Performance Packing is comprised of fine, blended interwoven fiberglass fibers made to FMFs specifications for high heat resistance, great sound attenuation and optimum performance and longevity