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dished flange-head bolts replace the button head Allen bolts of the old design
Grand National Cross Country (GNCC)
Made from exclusive nylon material to absorb impacts and keep mud from collecting
Works in perfect harmony with all valving
FMF Factory 4.1 Slip-On Muffler Yamaha WR450F '20 | 044464 CF-Moto dished flange-head bolts replace theThe 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
