FMF Q4 Hex Slip-On Muffler Gas Gas EC / Husqvarna FE / KTM XCF-W 250-500 20-23

Features:

• 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.
• NOTE: Will not pass 2025 FIM sound regulation

Fit the models: