The FMF MegaBomb stainless-steel header is an exhaust header for the 2027 Honda CRF450R and CRF450RX. It replaces the header section of the exhaust; it is not a complete exhaust system and requires a compatible muffler.

Features

• The MegaBomb design is intended to improve low-to-mid-range power while maintaining upper-range pull. Results depend on the motorcycle and exhaust configuration.

Specifications

• Material: Stainless steel.

Cross-Reference OEM Part Numbers

• FMF part number: 041634.

Alternative Header Option

• FMF 041635 is a separate titanium MegaBomb header option for the same listed models; it is not the stainless-steel header described here.

Vehicle Fitments

• Honda CRF450R: 2027.
• Honda CRF450RX: 2027.