FMF Factory 4.1 Stainless Slip-On Exhaust KTM/HUS/GAS 250-501 ('20-23) | 045647 gutscustomseat TM Designworks Proprietary plastic formula

TM Designworks  Proprietary plastic formula  absorbs impact and has memory return to position

Max engine size of 900cc street/750cc offroad

oil coolers

Updated 50% thicker stainless steel hardware

Available in black

FMF Factory 4.1 Stainless Slip-On Exhaust KTM/HUS/GAS 250-501 ('20-23) | 045647 gutscustomseat TM Designworks Proprietary plastic formulaThe 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