Q4 Exhaust Silencer 09-22 Yamaha YFZ 450 R X - FMF 044301

FMF Q4 Exhaust Silencer

The FMF Q4 Exhaust Silencer is engineered for off-road performance while minimizing sound output. This slip-on muffler features innovative chambers, baffles, and a proprietary multi-stage packing designed to deliver championship-level power discreetly.

Constructed from durable aircraft-grade aluminum and high-strength stainless steel, the Q4 offers robust performance for demanding off-road conditions. It is designed to integrate seamlessly with either stock or FMF header systems, providing riders with enhanced performance without compromising noise levels.

Key Features:

• Developed through extensive championship off-road racing experience.
• Advanced noise reduction technology, typically operating below 93dB and never exceeding 96dB.
• Lightweight yet strong construction using aircraft-grade aluminum.
• Includes a high-strength stainless steel midpipe and endcap for enhanced durability.
• Designed for compatibility with stock or FMF header systems.
• Comes with a screen insert spark arrestor for safety.
• Suitable for closed-course competition use only.
• Features a simple slip-on, single configuration for easy installation.

Specifications:

• Exhaust Type: Slip-On
• Construction Material: Aluminum
• Midpipe Material: Stainless Steel
• Endcap Material: Stainless Steel
• Spark Arrestor: Included (Screen Insert)
• Weight: Approximately 6.2 lbs (2.81 kg)
• Configuration: Single