The FMF Q4 HEX S/A 045646 represents the forefront of quiet exhaust technology for off-road motorcycles, engineered to deliver top-tier performance while reducing sound output. This evolution in exhaust design features precision chambers, advanced baffles and FMF?s proprietary multistage packing material, balancing improved power across the RPM range with compliance to stringent USFS and FIM World Enduro sound regulations. Its durable aluminium and stainless steel construction ensures long-lasting reliability and considerable weight savings over stock systems, all while including a spark arrestor for safe, versatile riding.
Features
- Industry-leading, quiet performance technology for off-road bikes
- Intricate internal design for maximum sound control and power gains
- Meets USFS and FIM World Enduro sound standards
- Spark arrestor (screen insert) included
- Noticeably lighter than OEM exhaust
- Durable aluminium canister, stainless steel end cap and midpipe
- Designed and manufactured exclusively in the USA
- Supplied with removable quiet insert
- Dedicated quiet system from a US manufacturer
- Notice: Closed Course Use Only
Specifications
- Item ID: 045646
- Type: Slip-On
- Configuration: Single
- Construction: Aluminium
- Finish: Natural
- Midpipe: Stainless Steel
- Endcap: Stainless Steel
- Spark Arrestor: Included (screen insert)
- Quiet Insert: Included
- Weight: 5.1 lbs (2.31 kg)
- Carb Warning: No
Vehicle Fitment
GAS GAS
- EC 250F (2021)
- EC 350F (2021)
HUSQVARNA
- FE 250 (2020?2021)
- FE 350 (2020?2023)
- FE 350 Rockstar Edition (2021)
- FE 450 (2020?2021, 2023)
- FE 501 (2020?2023)
KTM
- 350 XCF-W (2020?2022)
- 450 XCF-W (2020?2021, 2023)
- 500 XCF-W (2020?2023)
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