FMF Q4 Hex Spark Arrestor Slip-On Exhaust Muffler CRF250R/RX 2025-2026 (041617)

FMF is the leader in high performance quiet technology and our 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. With the Q4 you don't need to hear the power, just feel the power

• Meets USFS and FIM World Enduro sound regulations
• Power gains throughout the entire rpm range
• Spark arrestor screen insert and 94b quiet insert included
• Pounds lighter than stock. Made with Aluminum and Stainless Steel
• Rugged design for off-road endurance
• MADE IN THE USA