FMF MegaBomb Exhaust Header 20-25 Beta RR 350 390 - FMF 045664

The FMF Racing Stainless MegaBomb 045664 header is designed to deliver exceptional power gains and throttle response for competition off-road motorcycles. Developed for single-sided exhaust systems (except part #014553), the MegaBomb technology provides increased mid-range torque and horsepower, making it ideal for closed course racing applications. The robust stainless steel construction guarantees long-lasting performance and resistance to wear in harsh environments.

Features

• Closed course use only, not street legal
• Optimised MegaBomb design expands mid-range power and throttle response
• Constructed from high-grade stainless steel for superior durability
• Engineered for use with single-sided exhaust systems (excluding part #014553)
• No carburettor warning; compliant for specified applications

Specifications

• Item ID: 045664
• Type: Header
• Header construction: Stainless steel
• Header design: MegaBomb

Vehicle Fitment

Beta

• 350RR (2020–2025)
• 390RR (2020–2025)

Supplier SKU: 06-9933.SS.MGB. Supplier availability is subject to change.

Why Buy From FDY Performance?

Shop with FDY Performance Ltd, a UK-based motorcycle parts and accessories retailer. We offer friendly product support and UK delivery options. Please check your bike make, model and year against the fitment information before ordering.