FMF Factory 4.1 RCT Muffler 044406 1821-1535 Guide Bushing Set an optimized

an optimized

4lbs (see break down below)

Full leather construction with stretch fabric finger sidewalls for improved flexibility and mechanical performance

Stretch fabric

as well as proprietary camshaft analysis and spring design software to ensure consistent performance and accurate designs

FMF Factory 4.1 RCT Muffler 044406 1821-1535 Guide Bushing Set an optimizedThe 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