250/450SX-F MUFFLER HEX Q4 S/A

The Q4 employs intricate chambers, baffles and proprietary multistage packing material Less sound equals more ground With the Q4 you don’t need to hear the power, just feel the power! Made in the U.S.A. Rugged design for off-road endurance Pounds lighter than stock Spark arrestor included Power gains throughout the entire rpm range