FMF 042410 HEX Slip-On Muffler with Spark Arrestor - Q4

The FMF Racing Q4 HEX slip-on muffler 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 muffler delivers exceptional sound control without sacrificing power output.

Advanced Quiet Technology:

• Maximum sound output of 96dB with most applications running below 93dB
• Meets USFS (United States Forest Service) and FIM World Enduro sound regulations
• Multistage packing design effectively reduces noise while maintaining performance
• "Less sound equals more ground" - ride more trails legally

Performance Features:

• Power gains throughout the entire RPM range
• Wrapped perforated core internal construction for optimal flow
• Significantly lighter than stock exhaust systems
• Works with stock header or FMF performance headers

Construction and Design:

• Durable aluminum body with gray anodized finish
• Stainless steel end cap with natural finish
• Hexagonal (oval) case shape for modern styling
• Built-in spark arrestor screen insert included
• Rugged design engineered for off-road endurance
• Easy to repack for maintenance

What's Included:

• Q4 HEX slip-on muffler
• Spark arrestor screen insert
• All necessary mounting hardware

Proudly made in the USA. This product is intended for closed course competition use only. Not legal for use in California on pollution-controlled vehicles; race use only in California with appropriate waiver.