FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium KX 450 F/X 2019- 2023 042373 1820-1844 Battery Cable Molded hard-knuckle protector provides impact

Molded hard-knuckle protector provides impact and abrasion protection

Full 4 Into 1 Race System Designed for Maximum Power

TPR and embroidered logos

which is precisely cut and factory installed (glued)

Feature high-alloy steel plates and pins

FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium KX 450 F/X 2019- 2023 042373 1820-1844 Battery Cable Molded hard-knuckle protector provides impactThe Factory 4. 1 RCT incorporates FMF Resonance Chamber Technology both internally and externally Shorter overall length that is less susceptible to crash damage and complementary to FMF's 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 FMF's exacting specifications and is manufactured 100% at their Southern California factory