FMF Powercore 4 Muffler 044015 FMF044015 Rebuild Kit Cut-Off Valve Exhaust pipe O-rings

Exhaust pipe O-rings

and can also be worn as a standalone jacket

and springs

2021-2022 Gas Gas MC 450F - - 2021-2022 Gas Gas EX 450F - - 2019-2022 KTM 450 SX-F - - 2019-2022 KTM 450 XC-F - - 2019-2022 Husqvarna FX 450 - - 2018-2022 Husqvarna FC 450 - - 2018-2020 KTM 450 SX-F FE - -

Strong mounting bracket(s) for increased durability

FMF Powercore 4 Muffler 044015 FMF044015 Rebuild Kit Cut-Off Valve Exhaust pipe O-ringsFMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding Aluminum construction and stainless steel Hi Flo endcaps make for the perfect balance of performance and strength Removable spark arrestor included