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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 4.1 RCT Slip-On Silencer For Beta RX 450 2024-2025 - Blue is part of the latest collection from FMF.
Specifications:
- Model: Factory 4.1 RCT
- Product Name: Muffler
- Type: Slip-On
- Units: Each
To fit:
- BETA RX 450 2024 4T All Models
- BETA RX 450 2025 4T All Models
Manufacturer part number: 045690
View all FMF. View all Parts and spares.
Contents
Your package will include the following:
- 1 X FMF 4.1 RCT Slip-On Silencer For Beta RX 450 2024-2025 - Blue
To fit:
- BETA RX 450 2024 4T All Models
- BETA RX 450 2025 4T 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 4.1 RCT Slip-On Silencer For Beta RX 450 2024-2025 - Blue is part of the latest collection from FMF.
Specifications:
- Model: Factory 4.1 RCT
- Product Name: Muffler
- Type: Slip-On
- Units: Each
To fit:
- BETA RX 450 2024 4T All Models
- BETA RX 450 2025 4T All Models
Manufacturer part number: 045690
View all FMF. View all Parts and spares.
Contents
Your package will include the following:
- 1 X FMF 4.1 RCT Slip-On Silencer For Beta RX 450 2024-2025 - Blue
To fit:
- BETA RX 450 2024 4T All Models
- BETA RX 450 2025 4T 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.































