FMF Factory 4.1 RCT Slip-On Exhaust Yamaha WR250F ('20-'21) | 044473 foam2 Protects against rust

Protects against rust

Includes 5/16" bits Phillips #2 and #3 as well as straight slot 8mm and 10mm

injection-molded

With the help of Jonny Walker

Whether you're racing in the harshest conditions

FMF Factory 4.1 RCT Slip-On Exhaust Yamaha WR250F ('20-'21) | 044473 foam2 Protects against rustThe Factory 4. 1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering moving the muffler closer to the motor to centralize mass. The Factory 4. 1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at