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the type-approved Slip-On Line exhaust will provide a solid power gain across the rev range
Inside width approximately 7-1/4"
Include lever and clamp half
Chrome-plated steel covers
Includes ignition switch mount
FMF Factory 4.1 RCT Exhaust - Titanium KX250F 2017-2020 042378 1820-1901 Bolt-On Spring Seat Mount the type-approved Slip-On Line exhaustRCT (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