Q4 Exhaust Silencer 04-15 Yamaha YFZ 450 - FMF 044210

Engineered for performance without excess noise, the FMF Q4 044210 exhaust is designed for off-road enthusiasts seeking maximum power with minimal sound. Utilising advanced chambered architecture and FMF’s unique multistage packing, this slip-on muffler sets the standard for quiet technology. Built from aircraft-grade aluminium and robust stainless steel, the Q4 044210 offers remarkable durability while keeping weight to just 5.7 lbs. It is suitable for use with both stock and FMF headers and includes a spark arrestor for additional safety.

Features

• Championship-inspired design developed from top off-road racing


• Maximum sound output 96dB, majority of setups producing less than 93dB


• Aircraft-grade aluminium body for strength and reduced weight


• High-strength stainless steel midpipe and endcap for superior durability


• Proprietary internal chambers and packing ensure quiet operation and high performance


• Ready-to-install as a slip-on configuration for single exhaust systems


• Includes spark arrestor (screen insert) for added protection


• Designed for closed course use only

Specifications

• Item ID: 044210


• Type: Slip-on


• Configuration: Single


• Construction: Aluminium


• Finish: Natural


• Midpipe: Stainless steel


• Endcap: Stainless steel


• Spark Arrestor: Screen insert (included)


• Weight: 5.7 lbs (2.59 kg)


• Maximum sound output: 96dB (most models below 93dB)


• Carb Warning: No

Vehicle Fitment

Yamaha

• YFZ450 (2004–2009, 2012–2015)