Q4 Hex Exhaust Silencer 19-25 Honda CRF 450 X - FMF 041578
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The FMF Q4 HEX Slip-On exhaust is engineered for off-road enthusiasts seeking high performance with reduced sound levels. It features advanced chamber designs, baffles, and proprietary multi-stage packing material for superior exhaust flow and power gains across the rpm range. This exhaust meets strict USFS and FIM World Enduro noise regulations and includes an integrated spark arrestor. Its lightweight aluminium construction with a stainless steel midpipe and endcap makes it durable for tough riding environments. Specifications include: Item ID 041578, Slip-On type, Single configuration, Natural finish, 5.8 lbs (2.6 kg) weight, screen insert spark arrestor (included), and quiet insert (included). Carb warning is not applicable. For closed course use only.
- SKU
- 06-9911.FMF.Q4
- Brand
- FMF Exhausts
- Availability
- In Stock (2)
Fitments (7)
| Make | Model | Year |
|---|---|---|
| HONDA | CRF 450X | 2019 |
| HONDA | CRF 450X | 2020 |
| HONDA | CRF 450X | 2021 |
| HONDA | CRF 450X | 2022 |
| HONDA | CRF 450X | 2023 |
| HONDA | CRF 450X | 2024 |
| HONDA | CRF 450X | 2025 |
- General Product Group
- Exhaust Systems & Parts
- General Product Type
- Silencer
- Variant Id
- 289514
FULL DESCRIPTION
FMF Q4 Hex Exhaust Silencer
The FMF Q4 HEX Slip-On exhaust is engineered for off-road enthusiasts seeking high performance with reduced sound levels. It features advanced chamber designs, baffles, and proprietary multi-stage packing material to deliver superior exhaust flow and power gains across the entire RPM range. This exhaust system meets strict USFS and FIM World Enduro noise regulations and includes an integrated spark arrestor. Its lightweight construction is built to withstand the demands of the toughest riding environments.
Key Features
- High-performance quiet technology for off-road use.
- Meets USFS and FIM World Enduro sound regulations.
- Increases power throughout the entire RPM range.
- Includes a spark arrestor for compliance and safety.
- Lighter than original equipment for improved handling.
- Rugged and durable design for severe off-road conditions.
- Dedicated quiet system manufactured in the USA.
- Quiet insert is included.
- Notice: Closed course use only.
Specifications
- Type: Slip-On
- Configuration: Single
- Construction Material: Aluminium
- Finish: Natural
- Midpipe Material: Stainless steel
- Endcap Material: Stainless steel
- Weight: 5.8 lbs (2.6 kg)
- Spark Arrestor: Screen insert (included)
- Quiet Insert: Included
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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.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
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