FMF Q4 HEX Muffler WR 450 F 2012-2015 044398 1821-1544 X9 125 2001/02 Knob measures 11/16" diameter x

Knob measures 11/16" diameter x 9/16" tall x 11/16" stud length

Anatomically shaped synthetic suede palm panel with Lycra flex zone

amber turn and red brake function

Includes both throttle side & clutch side levers with laser-engraved Arlen Ness® logos

RFID Blocking

FMF Q4 HEX Muffler WR 450 F 2012-2015 044398 1821-1544 X9 125 2001/02 Knob measures 11/16" diameter xThe 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.