The FMF Q4 HEX S/A exhaust represents the forefront of performance-driven quiet technology for off-road motorcycles. Utilising advanced chambers, internal baffles, and exclusive multistage packing, this slip-on delivers impressive power gains throughout the entire rpm range?all while remaining compliant with stringent USFS and FIM sound requirements. Reduced weight, robust durability, and built-in spark arrestor make it a top choice for riders demanding serious performance with minimal noise.
Features
- Industry-leading quiet performance with substantial power gains
- Meets USFS and FIM World Enduro sound regulations
- Integrated spark arrestor enhances safety
- Significantly lighter than OEM exhausts
- Constructed for maximum off-road endurance
- Made in the USA
- Notice: Closed Course Use Only
Specifications
- Item ID: 045590
- Type: Slip-On
- Configuration: Single
- Construction: Aluminium
- Finish: Natural
- Midpipe: Stainless steel
- Endcap: Stainless steel
- Spark arrestor: Screen insert (included)
- Quiet insert: Included
- Weight: 5.1 lbs
- Carb warning: None
Vehicle Fitment
Husqvarna
- FC 250 (2016?2018)
- FC 350 (2016?2018)
- FC 450 (2016?2018)
- FE 250 (2017?2019)
- FE 350 (2017?2019)
- FE 450 (2017?2019)
- FE501 (2017?2019)
- FX 350 (2017?2018)
- FX 450 (2017?2018)
KTM
- 250 EXC-F (2017?2019)
- 250 SX-F (2016?2018)
- 250 SX-F Factory Edition (2015?2017)
- 250 XC-F (2016?2018)
- 350 EXC-F (2017?2019)
- 350 SX-F (2016?2018)
- 350 XC-F (2016?2018)
- 450 EXC-F (2018?2019)
- 450 EXC-F Six Days (2017?2019)
- 450 SX-F (2016?2018)
- 450 SX-F Factory Edition (2015?2017)
- 450 XC-F (2016?2018)
- 500 EXC-F (2017?2019)
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