Q4 Exhaust Silencer 04-17 Honda CRF 250 R X - FMF 041249

The FMF Racing Q4 041249 is a technologically advanced off-road slip-on exhaust designed for enthusiasts seeking performance with reduced sound output. Leveraging FMF’s championship-winning expertise, the Q4 integrates specialised chambers, baffles, and proprietary multistage packing materials to deliver substantial power gains while maintaining quiet operation. Constructed from aircraft-grade aluminium and robust stainless steel, this muffler guarantees longevity in demanding environments and meets the strictest sound regulations. The removable spark arrestor adds versatility for off-road compliance.

Features

• Developed through years of race-proven off-road engineering


• Maximum sound output of 96dB, with most models measuring below 93dB


• Manufactured from aircraft-grade aluminium and high-strength stainless steel for durability and reduced weight


• Compatible with both FMF and stock OEM headers for flexible installation


• Removable spark arrestor included for off-road legal requirements


• Closed course use only


• Natural finish for a professional appearance

Specifications

• Item ID: 041249


• Type: Slip-On


• Configuration: Single


• Construction: Aluminium


• Finish: Natural


• Midpipe material: Stainless Steel


• Endcap material: Stainless Steel


• Spark arrestor: Screen insert (included)


• Weight: 5.4 lbs (approx. 2.45 kg)


• Carb warning: Not applicable

Vehicle Fitment

Honda

• CRF250R (2004–2005)


• CRF250X (2004–2009, 2012–2013, 2015–2017)