FMF

Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end capsThe lightest mufflers availableSuperior power and performance - horsepower improved throughout the...

Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end capsThe lightest mufflers availableSuperior power and performance - horsepower improved throughout the...

Fmf Factory 4.1 Muffler 041602 Honda -- CRF450R -- (2021, 2022, 2023, 2024); Honda -- CRF450RX -- (2021, 2024, 2022, 2023)

Fmf Factory 4.1 Muffler 041603 Honda -- CRF450R -- (2021, 2022, 2023, 2024); Honda -- CRF450RX -- (2024, 2022, 2023, 2021)

Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end capsThe lightest mufflers availableSuperior power and performance - horsepower improved throughout the...

Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end capsThe lightest mufflers availableSuperior power and performance - horsepower improved throughout the...

Fmf Factory 4.1 Muffler 042396 Kawasaki -- KX 250 -- (2021, 2022, 2023, 2024); Kawasaki -- KX 250 X -- (2021, 2022)

Fmf Factory 4.1 Rct Exhaust - Aluminum 041604 Honda -- CRF450R -- (2021, 2022, 2024, 2023); Honda -- CRF450RX -- (2022, 2023, 2021, 2024)

Fmf Factory 4.1 Rct Exhaust - Aluminum 042397 Kawasaki -- KX 250 -- (2021, 2022, 2023, 2024); Kawasaki -- KX 250 X -- (2021, 2022)

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power outputInternal ducts in the chambers of the RCT system increase internal volume...

Fmf Factory 4.1 Rct Exhaust - Titanium 041605 Honda -- CRF450R -- (2021, 2022, 2023, 2024); Honda -- CRF450RX -- (2024, 2022, 2023, 2021)

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power outputInternal ducts in the chambers of the RCT system increase internal volume...