Q4 Hex Exhaust Silencer 15-19 KTM Husqvarna 250 350 450 500 - FMF 045590
The FMF Q4 HEX S/A exhaust offers advanced quiet performance technology for off-road motorcycles. It features internal baffles and multistage packing for power gains across the rpm range, while complying with USFS and FIM sound requirements. This slip-on exhaust is lighter than OEM, built for durability, and includes a spark arrestor. Specifications include aluminum construction, a natural finish, stainless steel midpipe and endcap, a screen insert spark arrestor, and a quiet insert. The item weighs 5.1 lbs. Closed course use only.
- SKU
- 06-1780.FMF.Q4H
- Brand
- FMF Exhausts
- Availability
- In Stock (3)
FULL DESCRIPTION
FMF Q4 Hex Exhaust Silencer
The FMF Q4 HEX S/A exhaust system utilizes advanced chambering, internal baffling, and exclusive multistage packing to deliver significant power gains across the entire RPM range. This slip-on exhaust is engineered to meet stringent USFS and FIM sound requirements, making it a compliant option for off-road riding. Its design also leads to a reduction in overall weight and ensures robust durability for demanding conditions.
Key Features:
- Exceptional quiet performance combined with notable power improvements.
- Compliant with USFS and FIM World Enduro sound regulations.
- Includes an integrated spark arrestor for enhanced safety.
- Significantly lighter than the original equipment manufacturer (OEM) exhaust systems.
- Built for maximum endurance in off-road environments.
- Proudly made in the USA.
- Notice: Closed Course Use Only
Specifications:
- Type: Slip-On
- Configuration: Single
- Construction Material: Aluminum
- Finish: Natural
- Midpipe Material: Stainless Steel
- Endcap Material: Stainless Steel
- Spark Arrestor Type: Screen insert (included)
- Quiet Insert: Included
- Weight: 5.1 lbs


