FMF

Muffler Q4 Hex Crf450r

Part # 1821-2042

• —The Q4 employs intricate chambers, baffles and proprietary multistage packing material
• —With the Q4 you don’t 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.