Q4 Hex Exhaust Silencer 06-23 Yamaha YFM 700 R - FMF 044435
The FMF Racing Q4 HEX S/A 044435 is a high-performance, quiet off-road exhaust slip-on muffler. It features an advanced chamber and baffle system with proprietary multi-stage packing to maximize power output while complying with USFS and FIM World Enduro sound regulations. This muffler significantly reduces sound without sacrificing power and boosts performance across the entire RPM range. Constructed from lightweight, durable aluminium with a stainless steel midpipe and endcap, it is suitable for off-road endurance. The Q4 HEX includes an integrated spark arrestor screen insert and a quiet insert for straightforward installation. It is manufactured in the USA and is the only US manufacturer offering dedicated quiet exhaust systems. Specifications include Item ID: 044435, Type: Slip-On, Configuration: Single, Finish: Natural, Weight: 5.7 lbs (2.6 kg). Notice: Closed Course Use Only.
- SKU
- 06-1730.FMF.Q4
- Brand
- FMF Exhausts
- Availability
- In Stock (4)
FULL DESCRIPTION
FMF Racing Q4 Hex Exhaust Silencer
The FMF Racing Q4 HEX S/A sets the standard for high-performance, quiet off-road exhaust systems. This slip-on muffler is engineered with intricate chambers and advanced multi-stage packing materials to maximize power output while ensuring noise levels remain compliant with USFS and FIM World Enduro regulations. Designed for demanding terrains, the Q4 HEX integrates a spark arrestor and is constructed from durable materials for a lightweight, performance-oriented upgrade.
Key Features:
- Advanced chamber and baffle system with proprietary multi-stage packing for quiet performance.
- Significantly reduces sound output without sacrificing engine power.
- Compliant with USFS and FIM World Enduro sound requirements.
- Boosts power across the entire RPM range.
- Lightweight, durable construction engineered for off-road endurance.
- Integrated spark arrestor and quiet insert are included.
- Manufactured in the USA.
- Slip-on design for straightforward installation.
- The only US manufacturer offering dedicated quiet exhaust systems.
Specifications:
- Type: Slip-On
- Configuration: Single
- Construction Material: Aluminium
- Finish: Natural
- Midpipe Material: Stainless Steel
- Endcap Material: Stainless Steel
- Spark Arrestor Type: Screen Insert (included)
- Quiet Insert: Included
- Approximate Weight: 5.7 lbs (2.6 kg)
- Notice: Closed Course Use Only


