FMF Q4 Hex Exhaust Silencer 19-25 Honda CRF 450 X - FMF 041578

The FMF Q4 HEX Slip-On exhaust is engineered for off-road enthusiasts who demand high performance with reduced sound levels. Incorporating advanced chamber designs, baffles, and a proprietary multi-stage packing material, the Q4 HEX delivers superior exhaust flow and power gains across the rpm range, all while meeting strict USFS and FIM World Enduro noise regulations. With its integrated spark arrestor and lightweight construction, it is tailor-made for enduring the toughest riding environments.

Features

• High-performance quiet technology for off-road applications
• Meets USFS and FIM World Enduro sound regulations
• Delivers increased power throughout the entire rpm range
• Spark arrestor included for compliance and safety
• Lighter than original equipment for enhanced handling
• Rugged, durable design withstands severe off-road use
• Dedicated quiet system made in the USA
• Notice: Closed course use only
• Quiet insert included

Specifications

• Item ID: 041578
• Type: Slip-On
• Configuration: Single
• Construction: Aluminium
• Finish: Natural
• Midpipe: Stainless steel
• Endcap: Stainless steel
• Weight: 5.8 lbs (2.6 kg)
• Spark arrestor: Screen insert (included)
• Quiet insert: Included
• Carb warning: No

Vehicle Fitment

Honda

• CRF450X (2019–2025)

Supplier SKU: 06-9911.FMF.Q4. Supplier availability is subject to change.

Why Buy From FDY Performance?

Shop with FDY Performance Ltd, a UK-based motorcycle parts and accessories retailer. We offer friendly product support and UK delivery options. Please check your bike make, model and year against the fitment information before ordering.