FMF Factory 4.1 RCT Exhaust - Aluminum KX250F 2017-2020 042377 1820-1900 Rear Auxiliary Fuel Tank The big tube step header

The big tube step header is designed for large engines

No need to worry about having to do any modifications and welding is also not required

which helps to enhance the low frequency tones Like all Cobra exhausts

Each set includes an extra adapter sleeve for mounting in either aluminum (14 mm ID) or steel (17 mm) handlebars

2022-2024 Triumph Tiger Sport 660 - - 2021-2024 Triumph Trident 660 - -

FMF Factory 4.1 RCT Exhaust - Aluminum KX250F 2017-2020 042377 1820-1900 Rear Auxiliary Fuel Tank The big tube step headerRCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage Innovative rear end cap features simple installation of tuning tip inserts or