FMF Racing Titanium MegaBomb Header 044476 for Yamaha YZ450F / WR450F / FX

The Titanium MegaBomb Header 044476 is a bolt-on upgrade that adds up to 3 hp and can reduce exhaust noise by as much as 1.5 dB when paired with the Megabomb system on Yamaha YZ450F/FX/WR450F models.

Built from premium American-made materials and designed to resist heat and corrosion, this lightweight titanium header helps lower overall bike weight for crisper handling and quicker throttle response. Its two-piece Megabomb header employs FMF’s patent-pending design to optimize exhaust flow, delivering stronger long-header torque and a more responsive short-header rev.

Compatible with Yamaha platforms including YZ450F, FX, and WR450F (model years commonly listed as 2023–2026 in current listings), the header integrates with FMF Megabomb exhaust systems for a cohesive performance upgrade. Installation is a straightforward bolt-on process that requires minimal modification to the stock layout.

Choose the Titanium MegaBomb Header 044476 to combine a race-ready power gain with durable construction and a signature FMF exhaust note, all while keeping weight to a minimum for improved on-track acceleration and holeshot potential.

• Header material: Titanium (Titanium MegaBomb), designed for heat and corrosion resistance
• Model compatibility: Yamaha YZ450F, FX, WR450F (2023–2026 listings)
• Power output: up to 3 hp gain over stock with Megabomb system
• Noise reduction: up to 1.5 dB when paired with Megabomb exhaust
• Design: patent-pending Megabomb geometry for optimized exhaust flow
• Installation: bolt-on, minimal modification required

The science behind the Megabomb header may be our greatest engineering accomplishment to date. You can pay an engine builder thousands or bolt on a Megabomb for as much as a 3hp boost! Plus, the megabomb actually reduces noise levels by as much as 1.5dB. The megabomb header will have you pulling holeshots and dusting all the boys on the way up Competition Hill. Simply bolt it on and go faster.

• Increases output from stock motor as much as 3hp
• Produces long header torque and short header over-rev
• Made from Premium American Metal materials
• Patent pending design

The FMF Racing Megabomb exhaust system for Yamaha motorcycles offers enhanced performance and improved exhaust flow. Designed with precision, this exhaust system features a lightweight construction that reduces overall bike weight, resulting in better handling and acceleration. Crafted from high-quality materials, it ensures durability and resistance to heat and corrosion, making it suitable for both casual riding and competitive racing.

The Megabomb system's innovative design optimizes exhaust sound and power delivery, providing a more aggressive engine tone and increased horsepower. Its easy installation process allows riders to quickly upgrade their motorcycle without extensive modifications. Whether you're aiming for improved throttle response or a more distinctive sound, this exhaust system delivers reliable performance and a noticeable riding experience enhancement.

Engineered by FMF Racing, a trusted name in motorcycle exhaust technology, this part integrates seamlessly with Yamaha models, ensuring compatibility and optimal performance. Invest in the FMF Megabomb exhaust system to elevate your motorcycle's capabilities and enjoy a more dynamic riding experience.

Features:

• Enhanced performance with improved exhaust flow

• Lightweight construction reduces overall bike weight

• Durable materials resist heat and corrosion

• Optimized sound and power delivery for better engine response

• Easy installation compatible with Yamaha motorcycles