FMF Stainless Steel Megabomb Header for 2020–2023 KTM 500 XCF-W & Husqvarna FE501

The FMF Stainless Megabomb Header is engineered to deliver stronger low-to-mid power while improving overall rideability on a wide range of off-road, dual-sport, and adventure motorcycles. Its patented expansion-chamber design increases exhaust velocity and reduces sound output without sacrificing performance. Built from premium stainless steel, the Megabomb is durable, corrosion-resistant, and ready for heavy off-road use.

Whether you're chasing throttle response, smoother power delivery, or a broader torque curve, the Megabomb provides a noticeable improvement that complements both stock and aftermarket mufflers.

Features:

• Stainless steel construction for maximum durability and corrosion resistance

• Patented Megabomb expansion chamber improves exhaust flow and increases low-to-mid power

• Reduced sound output compared to standard headers

• Smoother, broader torque curve for improved throttle control and rideability

• Significant weight savings over some OEM header systems

• Designed to work with most FMF mufflers, including the Factory 4.1 RCT and Q series

• Easy bolt-on installation with OEM-style fitment

• Ideal for off-road, dual-sport, and adventure motorcycles

• Made in the USAby FMF Racing

Fitment:

• 2020–2023 – KTM 500 XCF-W

• 2020–2023 – Husqvarna FE501

Part Number: 045661