FMF Factory 4.1 RCT Muffler - Anodized Titanium YFZ 450 2009-2022 044400 1831-0610 Supertech M8 Helmet Visor Factory 000 pounds of tension without

000 pounds of tension without stretching or breaking

four steel pins and eight washers

Stock: 84 dB @ idle / In gear 89 dB / 98 dB @ 5000 rpm / In gear @ 5000 rpm = 104 dB

TorqDrive friction disk technology coupled with EXP and Core technology results in significant advancement in auto performance with exceptional hook-up

Works on Kayaba

FMF Factory 4.1 RCT Muffler - Anodized Titanium YFZ 450 2009-2022 044400 1831-0610 Supertech M8 Helmet Visor Factory 000 pounds of tension withoutThe Factory 4. 1 RCT incorporates FMF's Resonance Chamber Technology both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their 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 their exacting specifications and is manufactured 100% at their