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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 304 Silencer is part of the latest collection from Pro Circuit.
Features:
- Feature a longer midsection for noise-conscious riders and more noticeable over-rev
- 6061 T-6 brushed aluminum housing
- 304 stainless steel intake tube
- Double-walled mounting brackets
- FIM-approved 304 stainless steel end cap
- Steel Allen-head screws for rebuilding/repacking
- Exclusive E-glass pillow packing
Specifications:
- End Cap Material: Stainless Steel
- End Cap Style: Slash-Cut
- Material: Aluminum| Stainless Steel
- Model: 304
- Muffler Color/Finish: Brushed
- Muffler Material: 6061 T6 Aluminum
- Pipe Material: Stainless Steel
To fit:
- HONDA TRX 250 R 1986 American Models
- HONDA TRX 250 R 1987 American Models
- HONDA TRX 250 R 1988 American Models
- HONDA TRX 250 R 1989 American Models
Manufacturer part number: SQH86250-304
View all Pro Circuit Exhausts. View all Exhausts.

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 304 Silencer is part of the latest collection from Pro Circuit.
Features:
- Feature a longer midsection for noise-conscious riders and more noticeable over-rev
- 6061 T-6 brushed aluminum housing
- 304 stainless steel intake tube
- Double-walled mounting brackets
- FIM-approved 304 stainless steel end cap
- Steel Allen-head screws for rebuilding/repacking
- Exclusive E-glass pillow packing
Specifications:
- End Cap Material: Stainless Steel
- End Cap Style: Slash-Cut
- Material: Aluminum| Stainless Steel
- Model: 304
- Muffler Color/Finish: Brushed
- Muffler Material: 6061 T6 Aluminum
- Pipe Material: Stainless Steel
To fit:
- HONDA TRX 250 R 1986 American Models
- HONDA TRX 250 R 1987 American Models
- HONDA TRX 250 R 1988 American Models
- HONDA TRX 250 R 1989 American Models
Manufacturer part number: SQH86250-304
View all Pro Circuit Exhausts. View all Exhausts.

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.




































