FMF Powercore 4 Hex Exhaust Silencer 18-26 Yamaha WR YZ 450 F FX - FMF 044441

Delivering race-inspired performance with exceptional value, the FMF Racing Powercore 4 HEX 044441 slip-on muffler offers noticeable gains in both torque and horsepower, all housed within a rugged, lightweight aluminium and stainless steel package. Utilising advanced Hi-Flo core technology and premium packing materials, it’s engineered for maximum durability and performance, making it an ideal upgrade for riders seeking reliability and a competitive edge without compromising budget.

Features

• Overall improvement in power and torque
• Durable stainless steel and aluminium construction
• Hi-Flo core design for enhanced exhaust flow
• Space Age internal packing material for extended longevity
• Enhanced sonic evacuation for increased power output
• Includes removable spark arrestor (screen insert)
• Lightweight design at just 5.3 lbs
• Natural finish for a sleek appearance
• Closed course use only

Specifications

• Item ID: 044441
• Type: Slip-On
• Configuration: Single
• Construction: Aluminium
• Finish: Natural
• Midpipe: Stainless steel
• Endcap: Stainless steel
• Spark Arrestor: Screen insert (included)
• Quiet Insert: Sold separately
• Weight: 5.3 lbs
• Carb Warning: No

Vehicle Fitment

Yamaha

• WR450F (2019–2024)
• YZ450F (2018–2026)
• YZ450FX (2019–2025)

Supplier SKU: 06-1784.SIL.P4H. 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.