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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: The majority of HGS exhausts are not compatible with OEM parts - Full HGS system must be used.
-
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: The majority of HGS exhausts are not compatible with OEM parts - Full HGS system must be used.
Product description
The HGS High Performance Front Pipe For Honda CRF450R 2021-2025 - Stainless Steel is part of the latest collection from HGS.
Features:
- HGS High performance steel headpipe
- Lighter than stock
- Please note: Some images are for illustration only.
Specifications:
- Color/Finish: Stainless Steel
- Material: Stainless Steel
- Product Name: Header
- Type: Head Pipe
- Units: Each
To fit:
- HONDA CRF 450 R-S 2022 All Models
- HONDA CRF 450 R-S 2023 All Models
- HONDA CRF 450 R-S 2024 All Models
- HONDA CRF 450 RWE 2021 Works Edition American Models
- HONDA CRF 450 RWE 2022 Works Edition American Models
- HONDA CRF 450 RWE 2023 Works Edition All Models
- HONDA CRF 450 RWE 2024 Works Edition All Models
- HONDA CRF 450 RWE 2025 Works Edition All Models
- 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
Manufacturer part number: CF-421-H00
View all HGS. View all Parts and spares.
Contents
Your package will include the following:
- 1 X HGS High Performance Front Pipe For Honda CRF450R 2021-2025 - Stainless Steel
To fit:
- HONDA CRF 450 R-S 2022 All Models
- HONDA CRF 450 R-S 2023 All Models
- HONDA CRF 450 R-S 2024 All Models
- HONDA CRF 450 RWE 2021 Works Edition American Models
- HONDA CRF 450 RWE 2022 Works Edition American Models
- HONDA CRF 450 RWE 2023 Works Edition All Models
- HONDA CRF 450 RWE 2024 Works Edition All Models
- HONDA CRF 450 RWE 2025 Works Edition All Models
- 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

HGS Exhaust Systems is a renowned Dutch manufacturer of high-performance motocross and enduro motorcycle exhausts. Designed for optimal power delivery and durability, HGS systems are developed with input from top racing teams. Precision-built for 2-stroke and 4-stroke engines, HGS exhausts enhance throttle response, improve torque, and deliver a crisp racing sound.
Product description
The HGS High Performance Front Pipe For Honda CRF450R 2021-2025 - Stainless Steel is part of the latest collection from HGS.
Features:
- HGS High performance steel headpipe
- Lighter than stock
- Please note: Some images are for illustration only.
Specifications:
- Color/Finish: Stainless Steel
- Material: Stainless Steel
- Product Name: Header
- Type: Head Pipe
- Units: Each
To fit:
- HONDA CRF 450 R-S 2022 All Models
- HONDA CRF 450 R-S 2023 All Models
- HONDA CRF 450 R-S 2024 All Models
- HONDA CRF 450 RWE 2021 Works Edition American Models
- HONDA CRF 450 RWE 2022 Works Edition American Models
- HONDA CRF 450 RWE 2023 Works Edition All Models
- HONDA CRF 450 RWE 2024 Works Edition All Models
- HONDA CRF 450 RWE 2025 Works Edition All Models
- 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
Manufacturer part number: CF-421-H00
View all HGS. View all Parts and spares.
Contents
Your package will include the following:
- 1 X HGS High Performance Front Pipe For Honda CRF450R 2021-2025 - Stainless Steel
To fit:
- HONDA CRF 450 R-S 2022 All Models
- HONDA CRF 450 R-S 2023 All Models
- HONDA CRF 450 R-S 2024 All Models
- HONDA CRF 450 RWE 2021 Works Edition American Models
- HONDA CRF 450 RWE 2022 Works Edition American Models
- HONDA CRF 450 RWE 2023 Works Edition All Models
- HONDA CRF 450 RWE 2024 Works Edition All Models
- HONDA CRF 450 RWE 2025 Works Edition All Models
- 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

HGS Exhaust Systems is a renowned Dutch manufacturer of high-performance motocross and enduro motorcycle exhausts. Designed for optimal power delivery and durability, HGS systems are developed with input from top racing teams. Precision-built for 2-stroke and 4-stroke engines, HGS exhausts enhance throttle response, improve torque, and deliver a crisp racing sound.































