FMF Racing’s Stainless MegaBomb 041598 header is engineered for single-sided exhaust configurations, optimising power delivery and throttle response exclusively for closed course competition. Crafted from robust stainless steel, this MegaBomb header enhances performance through its innovative expansion chamber design while ensuring long-term durability.

Features

• Constructed from high-grade stainless steel for maximum strength and longevity


• MegaBomb chamber increases power output and improves throttle response


• Specifically intended for closed course use only


• Lightweight at just 3.4 lbs, contributing to improved handling


• Precision engineering and fitment for single-sided exhaust systems (with exception of part #014553)


• Excludes California emissions compliance (carb warning: no)

Specifications

• Item ID: 041598


• Type: Header


• Header construction: Stainless steel


• Header type: MegaBomb


• Weight: 3.4 lbs

Vehicle Fitment

Honda

• CRF450R (2021–2026)


• CRF450RX (2021–2026)