Q4 Hex Exhaust Silencer 15-19 KTM Husqvarna 250 350 450 500 - FMF 045590
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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)
Fitments (71)
| Make | Model | Year |
|---|---|---|
| HUSQVARNA | FC 250 | 2016 |
| HUSQVARNA | FC 250 | 2017 |
| HUSQVARNA | FC 250 | 2018 |
| HUSQVARNA | FC 350 | 2016 |
| HUSQVARNA | FC 350 | 2017 |
| HUSQVARNA | FC 350 | 2018 |
| HUSQVARNA | FC 450 | 2016 |
| HUSQVARNA | FC 450 | 2017 |
| HUSQVARNA | FC 450 | 2018 |
| HUSQVARNA | FE 250 | 2017 |
| HUSQVARNA | FE 250 | 2018 |
| HUSQVARNA | FE 250 | 2019 |
| HUSQVARNA | FE 350 | 2017 |
| HUSQVARNA | FE 350 | 2018 |
| HUSQVARNA | FE 350 | 2019 |
| HUSQVARNA | FE 450 | 2017 |
| HUSQVARNA | FE 450 | 2018 |
| HUSQVARNA | FE 450 | 2019 |
| HUSQVARNA | FE 501 | 2017 |
| HUSQVARNA | FE 501 | 2018 |
| HUSQVARNA | FE 501 | 2019 |
| HUSQVARNA | FX 350 | 2017 |
| HUSQVARNA | FX 350 | 2018 |
| HUSQVARNA | FX 450 | 2017 |
| HUSQVARNA | FX 450 | 2018 |
| KTM | 250 EXC-F | 2017 |
| KTM | 250 EXC-F | 2018 |
| KTM | 250 EXC-F | 2019 |
| KTM | 250 SX F FACTORY EDITION | 2015 |
| KTM | 250 SX F FACTORY EDITION | 2016 |
| KTM | 250 SX F FACTORY EDITION | 2017 |
| KTM | 250 SX-F | 2015 |
| KTM | 250 SX-F | 2016 |
| KTM | 250 SX-F | 2017 |
| KTM | 250 SX-F | 2018 |
| KTM | 250 SX-F Factory Edition | 2015 |
| KTM | 250 SX-F FACTORY EDITION | 2016 |
| KTM | 250 SX-F FACTORY EDITION | 2017 |
| KTM | 250 XC-F | 2016 |
| KTM | 250 XC-F | 2017 |
| KTM | 250 XC-F | 2018 |
| KTM | 350 EXC-F | 2017 |
| KTM | 350 EXC-F | 2018 |
| KTM | 350 EXC-F | 2019 |
| KTM | 350 SX-F | 2016 |
| KTM | 350 SX-F | 2017 |
| KTM | 350 SX-F | 2018 |
| KTM | 350 XC-F | 2016 |
| KTM | 350 XC-F | 2017 |
| KTM | 350 XC-F | 2018 |
| KTM | 450 EXC-F | 2018 |
| KTM | 450 EXC-F | 2019 |
| KTM | 450 EXC-F SIX DAYS | 2017 |
| KTM | 450 EXC-F SIX DAYS | 2018 |
| KTM | 450 EXC-F SIX DAYS | 2019 |
| KTM | 450 SX F FACTORY EDITION | 2015 |
| KTM | 450 SX F FACTORY EDITION | 2016 |
| KTM | 450 SX F FACTORY EDITION | 2017 |
| KTM | 450 SX-F | 2015 |
| KTM | 450 SX-F | 2016 |
| KTM | 450 SX-F | 2017 |
| KTM | 450 SX-F | 2018 |
| KTM | 450 SX-F Factory Edition | 2015 |
| KTM | 450 SX-F FACTORY EDITION | 2016 |
| KTM | 450 SX-F FACTORY EDITION | 2017 |
| KTM | 450 XC-F | 2016 |
| KTM | 450 XC-F | 2017 |
| KTM | 450 XC-F | 2018 |
| KTM | 500 EXC-F | 2017 |
| KTM | 500 EXC-F | 2018 |
| KTM | 500 EXC-F | 2019 |
- General Product Group
- Exhaust Systems & Parts
- General Product Type
- Silencer
- Variant Id
- 209389
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
QUESTIONS? JUST ASK
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
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Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
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