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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 T-4 Silencer is part of the latest collection from Pro Circuit.
Features:
- Designed to be used with OEM stock head pipes or Pro Circuit head pipes
- Ultra-responsive performance
- Incredible horsepower gains when compared to stock
- Developed to increase the horsepower and torque throughout the power curve
- Aluminum/stainless construction for reduced weight and increased durability
- Strong mounting bracket(s) for increased durability
- Designed for easy disassembly and re-packing when needed
- Removable USFS approved spark arrestor
Specifications:
- End Cap Material: Stainless Steel
- Features: with Spark Arrestor
- Material: Aluminum| Stainless Steel
- Model: T-4
- Muffler Color/Finish: Polished
- Muffler Material: Aluminum
- Pipe Material: Stainless Steel
To fit:
- HONDA CRF 450 R 2005 All Models
- HONDA CRF 450 R 2006 All Models
- HONDA CRF 450 R 2007 All Models
- HONDA CRF 450 R 2008 All Models
- HONDA CRF 450 R 2009 All Models
- HONDA CRF 450 R 2010 All Models
- HONDA CRF 450 R 2011 All Models
- HONDA CRF 450 R 2012 All Models
- HONDA CRF 450 R 2013 All Models
- HONDA CRF 450 R 2014 All Models
- HONDA CRF 450 R 2015 All Models
- HONDA CRF 450 X 2005 Enduro All Models
- HONDA CRF 450 X 2006 Enduro All Models
- HONDA CRF 450 X 2007 Enduro All Models
- HONDA CRF 450 X 2008 Enduro All Models
- HONDA CRF 450 X 2009 Enduro All Models
- HONDA CRF 450 X 2010 Enduro All Models
- HONDA CRF 450 X 2011 Enduro All Models
- HONDA CRF 450 X 2012 Enduro All Models
- HONDA CRF 450 X 2013 Enduro All Models
- HONDA CRF 450 X 2014 Enduro All Models
- HONDA CRF 450 X 2015 Enduro All Models
Manufacturer part number: 4H05450
View all Pro Circuit Exhausts. View all Exhausts.
Contents
Your package will include the following:
- 1 X Pro Circuit T-4 Silencer For Honda CRF450 X Enduro
To fit:
- HONDA CRF 450 R 2005 All Models
- HONDA CRF 450 R 2006 All Models
- HONDA CRF 450 R 2007 All Models
- HONDA CRF 450 R 2008 All Models
- HONDA CRF 450 R 2009 All Models
- HONDA CRF 450 R 2010 All Models
- HONDA CRF 450 R 2011 All Models
- HONDA CRF 450 R 2012 All Models
- HONDA CRF 450 R 2013 All Models
- HONDA CRF 450 R 2014 All Models
- HONDA CRF 450 R 2015 All Models
- HONDA CRF 450 X 2005 Enduro All Models
- HONDA CRF 450 X 2006 Enduro All Models
- HONDA CRF 450 X 2007 Enduro All Models
- HONDA CRF 450 X 2008 Enduro All Models
- HONDA CRF 450 X 2009 Enduro All Models
- HONDA CRF 450 X 2010 Enduro All Models
- HONDA CRF 450 X 2011 Enduro All Models
- HONDA CRF 450 X 2012 Enduro All Models
- HONDA CRF 450 X 2013 Enduro All Models
- HONDA CRF 450 X 2014 Enduro All Models
- HONDA CRF 450 X 2015 Enduro All Models

Pro Circuit is a renowned brand in the motocross and motorcycle racing industry. Specializing in high-performance exhaust systems, suspension components, and accessories, Pro Circuit has been a dominant force since 1978. Their cutting-edge products are favored by professional riders, earning the brand widespread acclaim for innovation and reliability in motorsports.
Product description
The T-4 Silencer is part of the latest collection from Pro Circuit.
Features:
- Designed to be used with OEM stock head pipes or Pro Circuit head pipes
- Ultra-responsive performance
- Incredible horsepower gains when compared to stock
- Developed to increase the horsepower and torque throughout the power curve
- Aluminum/stainless construction for reduced weight and increased durability
- Strong mounting bracket(s) for increased durability
- Designed for easy disassembly and re-packing when needed
- Removable USFS approved spark arrestor
Specifications:
- End Cap Material: Stainless Steel
- Features: with Spark Arrestor
- Material: Aluminum| Stainless Steel
- Model: T-4
- Muffler Color/Finish: Polished
- Muffler Material: Aluminum
- Pipe Material: Stainless Steel
To fit:
- HONDA CRF 450 R 2005 All Models
- HONDA CRF 450 R 2006 All Models
- HONDA CRF 450 R 2007 All Models
- HONDA CRF 450 R 2008 All Models
- HONDA CRF 450 R 2009 All Models
- HONDA CRF 450 R 2010 All Models
- HONDA CRF 450 R 2011 All Models
- HONDA CRF 450 R 2012 All Models
- HONDA CRF 450 R 2013 All Models
- HONDA CRF 450 R 2014 All Models
- HONDA CRF 450 R 2015 All Models
- HONDA CRF 450 X 2005 Enduro All Models
- HONDA CRF 450 X 2006 Enduro All Models
- HONDA CRF 450 X 2007 Enduro All Models
- HONDA CRF 450 X 2008 Enduro All Models
- HONDA CRF 450 X 2009 Enduro All Models
- HONDA CRF 450 X 2010 Enduro All Models
- HONDA CRF 450 X 2011 Enduro All Models
- HONDA CRF 450 X 2012 Enduro All Models
- HONDA CRF 450 X 2013 Enduro All Models
- HONDA CRF 450 X 2014 Enduro All Models
- HONDA CRF 450 X 2015 Enduro All Models
Manufacturer part number: 4H05450
View all Pro Circuit Exhausts. View all Exhausts.
Contents
Your package will include the following:
- 1 X Pro Circuit T-4 Silencer For Honda CRF450 X Enduro
To fit:
- HONDA CRF 450 R 2005 All Models
- HONDA CRF 450 R 2006 All Models
- HONDA CRF 450 R 2007 All Models
- HONDA CRF 450 R 2008 All Models
- HONDA CRF 450 R 2009 All Models
- HONDA CRF 450 R 2010 All Models
- HONDA CRF 450 R 2011 All Models
- HONDA CRF 450 R 2012 All Models
- HONDA CRF 450 R 2013 All Models
- HONDA CRF 450 R 2014 All Models
- HONDA CRF 450 R 2015 All Models
- HONDA CRF 450 X 2005 Enduro All Models
- HONDA CRF 450 X 2006 Enduro All Models
- HONDA CRF 450 X 2007 Enduro All Models
- HONDA CRF 450 X 2008 Enduro All Models
- HONDA CRF 450 X 2009 Enduro All Models
- HONDA CRF 450 X 2010 Enduro All Models
- HONDA CRF 450 X 2011 Enduro All Models
- HONDA CRF 450 X 2012 Enduro All Models
- HONDA CRF 450 X 2013 Enduro All Models
- HONDA CRF 450 X 2014 Enduro All Models
- HONDA CRF 450 X 2015 Enduro All Models

Pro Circuit is a renowned brand in the motocross and motorcycle racing industry. Specializing in high-performance exhaust systems, suspension components, and accessories, Pro Circuit has been a dominant force since 1978. Their cutting-edge products are favored by professional riders, earning the brand widespread acclaim for innovation and reliability in motorsports.






























