FMF is the leader in high performance quiet technology and the Q4 HEX is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available

• Low noise level
• Easy to mount
• Perfect fit
• Gains throughout the entire rpm range
• Pounds lighter than stock
• Made of High-Grade Aluminum
• Fits OEM header
• Spark arrestor included
• EPA and CARB approved
  

APPROVALS    50-State legal  

FITMENT

• KTM 350 EXC-F 2024-2025
• KTM 350 XW-F 2024
• KTM 500 EXC-F 2024-2025
• KTM 500 EXC-F Six Days 2024-2025
• KTM 500 XW-F 2024

PROPOSITION 65

⚠WARNING

This product can expose you to chemicals known to the State of California to cause Cancer or birth defects and reproductive harm. For more information go to: https://oehha.ca.gov/proposition-65