The FMF Racing Stainless MegaBomb 044481 header is designed for performance enthusiasts seeking to maximise exhaust flow on race machines. Constructed from premium stainless steel and engineered for single-sided exhaust configurations (except part #014553), this header incorporates FMF’s renowned MegaBomb technology for enhanced power delivery across the rev range. Ideal for competition use, it is intended exclusively for closed-course applications.

Features

• Closed-course use only for maximum performance and compliance with racing regulations
• Single-sided exhaust system compatibility, except for part #014553
• Manufactured from high-grade stainless steel for superior strength and corrosion resistance
• MegaBomb expansion chamber design optimises exhaust scavenging and power gains
• Precise fitment and reliable sealing for a secure installation

Specifications

• Item ID: 044481
• Type: Header
• Configuration: Single
• Carb Warning: No
• Header Construction: Stainless Steel
• Header Type: MegaBomb

Vehicle Fitment

Yamaha

• YZ450F (2026)