FMF

Fmf Q4 Hex Slip-On Muffler 042402 Kawasaki -- KX 450 -- (2024)

Fmf Q4 Hex Slip-On Muffler 042393 Kawasaki -- KX 250 -- (2021, 2022, 2023, 2024); Kawasaki -- KX 250 X -- (2022, 2021)

Developed over years of championship off-road racingTwin-stage core design for lower sound output and extended life of packing materialComes standard with spark arrestor Kawasaki -- KLX 300R -- (2020)

The Q4 employs intricate chambers, baffles and proprietary multistage packing materialWith the Q4 you don?t need to hear the power, just feel the power!Less sound equals more groundPower gains...

The Q series features advanced engineering to precisely locate baffles and chambers to absorb soundLess mass to enhance power-to-weight ratioQuiet power with minimal sacrifice for...

The Q series features advanced engineering to precisely locate baffles and chambers to absorb soundLess mass to enhance power-to-weight ratioQuiet power with minimal sacrifice for...

Fmf Q4 Hex Slip-On Muffler 041601 Honda -- CRF450R -- (2021, 2022, 2023, 2024); Honda -- CRF450RX -- (2024, 2022, 2023, 2021)

Developed over years of championship off-road racingTwin-stage core design for lower sound output and extended life of packing materialComes standard with spark arrestor Honda -- XR650L -- (1993,...

The Q4 employs intricate chambers, baffles and proprietary multistage packing materialWith the Q4 you don?t need to hear the power, just feel the power!Less sound equals more groundPower gains...

The Q4 employs intricate chambers, baffles and proprietary multistage packing materialWith the Q4 you don?t need to hear the power, just feel the power!Less sound equals more groundPower gains...

The Q series features advanced engineering to precisely locate baffles and chambers to absorb soundLess mass to enhance power-to-weight ratioQuiet power with minimal sacrifice for...

Built to create smooth, tractable power to help in the toughest conditionsSmooth power curve throughout the RPM rangeLarger diameter titanium canister for more tunability and longer lasting packing...