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FMF

FMF Factory 4.1 RCT Single Exhaust System Honda CRF450R / R-S / RX / WE 2017-2022

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FMF 4-Stroke Muffler Re-Pack Instructional Video

MegaBomb Stainless/Aluminum/Carbon Fiber

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Material: Type: Single Muffler

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FMF Factory 4.1 RCT Single Exhaust System Honda CRF450R / R-S / RX / WE 2017-2022 Installation

FMF Factory 4.1 RCT Single Exhaust System Honda CRF450R / CRF450RX / CRF450R-S

The FMF Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, FMF has achieved a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering which moves the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from aerospace grade materials that meet FMF’s exacting specifications and is manufactured 100% in their Southern California factory.

Features:

Massive power gains throughout the RPM range
Huge weight savings over stock exhaust
RTS (Rapid Tuning System) for quick and easy track-side tuning
Removable spark arrestor included
Quiet insert included (94db)
Meets AMA and FIM sound requirements
Single Muffler system includes PowerBomb header
100% made in the USA

Weight:

Dual Stainless Steel / Aluminum / Carbon end cap 10.4 lbs
Single Stainless Steel / Aluminum / Carbon end cap 6.4 lbs

Product Style	Item #	Store SKU	Manufacturer Product #	Availability
Product Style MegaBomb Stainless/Blue Titanium/Carbon Fiber / Single Muffler	Item # 1297630	Store SKU	Manufacturer Product # 041562	Availability Closeout: This product is no longer available
Product Style Single Muffler / MegaBomb Stainless/Aluminum/Carbon Fiber	Item # 1297629	Store SKU	Manufacturer Product # 041561	Availability Closeout: This product is no longer available