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Important – Off-Road Use Only: This exhaust is supplied for off-road / closed-course use only and is not approved for use on public roads unless clearly stated otherwise.
It is the customer’s responsibility to ensure the product is suitable and compliant for their intended use, including any applicable UK/EU noise and emissions requirements and any vehicle type-approval requirements.
Please note: Some images may be for illustrative purposes only.
-
Important – Off-Road Use Only: This exhaust is supplied for off-road / closed-course use only and is not approved for use on public roads unless clearly stated otherwise.
It is the customer’s responsibility to ensure the product is suitable and compliant for their intended use, including any applicable UK/EU noise and emissions requirements and any vehicle type-approval requirements.
Please note: Some images may be for illustrative purposes only.
Product description
The FMF Q4 Hex Silencer For Honda CRF450R 2021-2025 is part of the latest collection from FMF.
Features:
- Less sound equals more ground
- Meets FIM World Enduro sound regulations
- Power gains throughout the entire rpm range
- Spark arrestor included
- Pounds lighter than stock
- Rugged design for off-road endurance
- Made in the U.S.A.
Specifications:
- End Cap Material: Stainless Steel
- End Cap Style: Slash-Cut
- Material: Aluminum
- Model: Q4 HEX
- Product Name: Muffler
- Type: Slip-On
- Units: Each
To fit:
- HONDA CRF 450 RX 2022 American Models
- HONDA CRF 450 RX 2023 American Models
- HONDA CRF 450 RX 2024 American Models
- HONDA CRF 450 RX 2025 American Models
- HONDA CRF 450 R 2021 All Models
- HONDA CRF 450 R 2022 All Models
- HONDA CRF 450 R 2023 50th Anniversary All Models
- HONDA CRF 450 R 2023 All Models
- HONDA CRF 450 R 2024 All Models
- HONDA CRF 450 R 2025 All Models
- HONDA CRF 450 RX 2021 American Models
Manufacturer part number: 041601
View all FMF. View all Parts and spares.
Contents
Your package will include the following:
- 1 X FMF Q4 Hex Silencer For Honda CRF450R 2021-2025
To fit:
- HONDA CRF 450 RX 2021 American Models
- HONDA CRF 450 RX 2022 American Models
- HONDA CRF 450 RX 2023 American Models
- HONDA CRF 450 RX 2024 American Models
- HONDA CRF 450 RX 2025 American Models
- HONDA CRF 450 R 2021 All Models
- HONDA CRF 450 R 2022 All Models
- HONDA CRF 450 R 2023 50th Anniversary All Models
- HONDA CRF 450 R 2023 All Models
- HONDA CRF 450 R 2024 All Models
- HONDA CRF 450 R 2025 All Models

GhostBikes are now stocking a full range of FMF pipes for a wide range of off road 2 stroke and 4 stroke makes and models! Get more power from your bike with an FMF exhaust system!
FMF is one of the world's leading manufacturers of aftermarket motorcycle exhaust systems. Their exhausts are designed to increase the performance of your bike while also giving it a more aggressive sound. FMF offers a wide range of exhaust options, including full systems, slip-on mufflers, and head pipes, for various makes and models of off-road and motocross motorcycles.
Product description
The FMF Q4 Hex Silencer For Honda CRF450R 2021-2025 is part of the latest collection from FMF.
Features:
- Less sound equals more ground
- Meets FIM World Enduro sound regulations
- Power gains throughout the entire rpm range
- Spark arrestor included
- Pounds lighter than stock
- Rugged design for off-road endurance
- Made in the U.S.A.
Specifications:
- End Cap Material: Stainless Steel
- End Cap Style: Slash-Cut
- Material: Aluminum
- Model: Q4 HEX
- Product Name: Muffler
- Type: Slip-On
- Units: Each
To fit:
- HONDA CRF 450 RX 2022 American Models
- HONDA CRF 450 RX 2023 American Models
- HONDA CRF 450 RX 2024 American Models
- HONDA CRF 450 RX 2025 American Models
- HONDA CRF 450 R 2021 All Models
- HONDA CRF 450 R 2022 All Models
- HONDA CRF 450 R 2023 50th Anniversary All Models
- HONDA CRF 450 R 2023 All Models
- HONDA CRF 450 R 2024 All Models
- HONDA CRF 450 R 2025 All Models
- HONDA CRF 450 RX 2021 American Models
Manufacturer part number: 041601
View all FMF. View all Parts and spares.
Contents
Your package will include the following:
- 1 X FMF Q4 Hex Silencer For Honda CRF450R 2021-2025
To fit:
- HONDA CRF 450 RX 2021 American Models
- HONDA CRF 450 RX 2022 American Models
- HONDA CRF 450 RX 2023 American Models
- HONDA CRF 450 RX 2024 American Models
- HONDA CRF 450 RX 2025 American Models
- HONDA CRF 450 R 2021 All Models
- HONDA CRF 450 R 2022 All Models
- HONDA CRF 450 R 2023 50th Anniversary All Models
- HONDA CRF 450 R 2023 All Models
- HONDA CRF 450 R 2024 All Models
- HONDA CRF 450 R 2025 All Models

GhostBikes are now stocking a full range of FMF pipes for a wide range of off road 2 stroke and 4 stroke makes and models! Get more power from your bike with an FMF exhaust system!
FMF is one of the world's leading manufacturers of aftermarket motorcycle exhaust systems. Their exhausts are designed to increase the performance of your bike while also giving it a more aggressive sound. FMF offers a wide range of exhaust options, including full systems, slip-on mufflers, and head pipes, for various makes and models of off-road and motocross motorcycles.































