FMF Q4 HEX Muffler 045590 1821-1717 Swing Arm Guards Compatible with original and LeoVince

Compatible with original and LeoVince exhaust

The easy access to the screen is great for riders who use their bikes for closed course and off-road - no need to have two silencers

Hand TIG welded 4" stepped muffler

To securely mount the fender kit to the R1's unique tail section the this kit features a machined diamond shape plastic composites "puck

Rear Venturi Ports — Once air enters the hidden multi-stage air channel in the EPS liner

FMF Q4 HEX Muffler 045590 1821-1717 Swing Arm Guards Compatible with original and LeoVinceThe Q4 employs intricate chambers, baffles and proprietary multistage packing material With the Q4 you dont need to hear the power, just feel the power! Less sound equals more ground Power gains throughout the entire rpm range Spark arrestor included Pounds lighter than stock Rugged design for off road endurance Made in the U. S. A.