FMF 045712 Q4 HEX Slip-On Muffler Ducati Desmo450 MX Gray Anodized Aluminum

The FMF Q4 HEX Slip-On Muffler (045712) is engineered specifically for the Ducati Desmo 450 MX, delivering exceptional performance while maintaining strict sound compliance for off-road riding. This muffler represents FMF's latest evolution in high-performance quiet technology, combining race-proven power gains with reduced sound levels.

Advanced Sound Control Technology:

• Intricate internal chambers and baffles optimize exhaust flow while controlling noise
• Proprietary multistage packing material delivers superior sound dampening
• Meets USFS and FIM World Enduro sound regulations
• Sound output typically 96dB or lower
• Includes spark arrestor screen insert and quiet insert

Performance-Focused Construction:

• Aircraft-grade aluminum canister with gray anodized finish
• Stainless steel midpipe and endcap for durability
• HEX design provides optimized exhaust flow characteristics
• Lighter than stock exhaust system
• Power gains throughout entire RPM range

Application-Specific Design:

Purpose-built for the Ducati Desmo450 MX motocross platform, this slip-on muffler is designed for closed-course competition use. The Q4 HEX allows riders to maximize performance without sacrificing sound compliance, making it ideal for riders who need to meet sound restrictions while maintaining competitive power delivery.

FMF Racing has applied decades of exhaust technology expertise to create a muffler that proves you don't need excessive noise to achieve maximum performance. The Q4 delivers the power you need to feel, not just hear.