FMF 041601 HEX Slip-On Muffler with Spark Arrestor - Q4

The FMF Q4 HEX represents the next evolution in high-performance quiet exhaust technology for off-road motorcycles. Engineered with intricate internal chambers, specialized baffles, and proprietary multistage packing material, this slip-on muffler delivers impressive power gains while maintaining compliance with USFS and FIM World Enduro sound regulations.

Key Features:

• Advanced quiet technology reduces sound without sacrificing performance
• Power gains throughout the entire RPM range
• Aluminum construction with natural finish
• Stainless steel midpipe and end cap for durability
• Removable spark arrestor with screen insert included
• Pounds lighter than stock exhaust systems
• Rugged design built for off-road endurance
• Meets USFS and FIM World Enduro sound regulations
• Made in the USA by FMF Racing

The Q4 HEX employs FMF's signature approach to performance: you don't need to hear the power, just feel the power. This slip-on muffler is designed for closed course use only and is compatible with FMF or stock OEM headers. The included quiet insert ensures you can ride on sound-restricted trails and tracks while still enjoying responsive throttle and enhanced performance across all riding conditions.