FMF Factory 4.1 RCT Muffler - Aluminum 042369 1821-1888 Scorpion Lockup Clutch Patented Z-ring seals dramatically increase

Patented Z-ring seals dramatically increase the life of the chain by trapping specially formulated grease around the critical pin and bush area

Exposed reverse coil zipper

Muffler features conical shape sleeve

"Black on black" cables feature a black vinyl casing with black chrome elbows and hardware for that "Stealth" look

Constructed of durable polypropylene and features a carbon fiber-like texture

FMF Factory 4.1 RCT Muffler - Aluminum 042369 1821-1888 Scorpion Lockup Clutch Patented Z-ring seals dramatically increaseThe 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