What is included in the FMF Racing Factory 4.1 RCT exhaust system?

This system includes the Factory 4.1 aluminum muffler, the stainless steel Powerbomb header, and a 94dB sound insert. The muffler is available in a natural or blue anodized finish.

What kind of performance gains can I expect?

The Factory 4.1 RCT system with the Powerbomb header is designed to deliver horsepower gains throughout the entire RPM range, making your bike more responsive.

Is this exhaust system street legal?

The system includes a 94dB insert, which can help meet sound regulations for certain tracks or riding areas. However, local regulations vary, and it's recommended to check with your local authorities or track officials regarding noise limits.

Specifications

Brand: FMF Racing
Part #: 045705

FMF Racing TRIUMPH TF 450-RC 25 TF C E 26 ALUM FACTORY 4.1 RCT SYSTM W/ MGBMB HDR C/F END CAP

Name: FMF Racing TRIUMPH TF 450-RC 25 TF C E 26 ALUM FACTORY 4.1 RCT SYSTM W/ MGBMB HDR C/F END CAP
Brand: FMF Racing
SKU: fmf-racing-fmf-racing-triumph-tf-450-rc-25-tf-c-e-26-alum-factory-4-1-rct-systm--t14-942944
Price: 1155.83 USD
Availability: BackOrder

$1155.83

On Backorder — Expected to ship by Apr 28, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

FMF Racing Factory 4.1 RCT exhaust system with Powerbomb header. Includes 94dB insert for track or dunes.

Key Features

This system includes the FMF Racing Factory 4.1 RCT muffler and the Powerbomb header.
The Powerbomb header is constructed from durable stainless steel.
The Factory 4.1 muffler is made from aluminum and is available in a natural or blue anodized finish.
A 94dB sound insert is included with the system.
This exhaust system is designed to provide horsepower gains throughout the RPM range.
This system is used by factory racing teams.

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About this part

Product Details

What you get with this FMF Racing Factory 4.1 RCT exhaust system is a complete package designed for performance. It includes the Factory 4.1 muffler, the Powerbomb header made from durable stainless steel, and a 94dB insert to help you meet sound regulations where needed. This system is built to handle the demands of the track or the dunes, and it's the same type of setup used by factory racing teams like KTM and Rath Racing.

The Factory 4.1 muffler itself is constructed from aluminum, available in a natural or blue anodized finish, offering a strong yet lightweight addition to your bike. The Powerbomb header is engineered from robust stainless steel, built to endure the harsh conditions and potential abuse that comes with aggressive riding. Together, this system is designed to provide noticeable horsepower gains across the entire RPM range, making your machine more responsive and powerful when you need it most.

This is FMF Racing's top-tier exhaust system, offering a significant upgrade over stock components. If you're looking to get the most out of your Triumph TF 450-RC 25, this system is a solid choice for improved performance and durability.