CRF450R/RX

Increase your machines horsepower up to 10% with the FMF Power Bomb Header Pipe. The FMF Power Bomb Header Pipe lowers sound output up to 1.5 db. F...

Fitment: Select your make/model in the menu above Specs: Anodized Blue Titanium canister body for the lightest weight possible Anodized finish giv...

Select your year/model in the menu above Details When designing the PowerCore 4 HEX, we looked at our top of the line products to deliver race-ins...

Fitment: 2004 CRF 450R When designing the PowerCore4, we looked at our top of the line products to deliver race-inspired performance at an economic...

Fitment: 2021-2025 CRF 450R/RX The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In ...

Details FMF has always set itself apart by offering great options to lower your bike’s sound output. The Hex Q4 is no different. With a series of...

Note: FMF does not recommend or guarantee you try to match this header to a stock muffler. The FMF Titanium Megabomb Header Pipe uses its unique...

The science behind the Megabomb header may be FMF's greatest engineering accomplishment to date. You can bolt on a Megabomb with an existing FMF Ra...

Details * Blue Anodized Titanium Muffler with Carbon End Cap and Titanium Megabomb Header. FMF is one of the top players in the game when it comes...

Details Aluminum Muffler with Carbon Fiber end cap and Stainless Steel Megabomb Header. The FMF Factory 4.1RCT (Resonance Chamber Technology) Alumi...

Specs: Premium aluminum alloy canister body Genuine carbon fiber composite end cap Rapid Tuning System (RTS) allows for swapable end cap inserts (...