Powercore 4 Hex Exhaust Silencer 14-18 Yamaha WR YZ 450 F FX - FMF 044404

Delivering race-inspired performance at an accessible price, the FMF Racing Powercore 4 HEX Slip-On is engineered for riders seeking more power and durability without compromising value. Constructed from stainless steel and aluminium, it offers significant increases in both power and torque, while Space Age packing material ensures long-term performance. Featuring FMF’s Hi-Flo core technology and an included spark arrestor, this slip-on system is an ideal upgrade for competitive and recreational off-road use.

Features

• Overall increase in power and torque for a noticeable performance boost


• Durable stainless steel and aluminium construction for optimal longevity


• Space Age internal packing material extends the lifespan of the muffler


• Hi-Flo core technology enhances exhaust flow for improved outputs


• Enhanced sonic evacuation elevates exhaust efficiency and power gains


• Removable screen insert spark arrestor included for off-road compliance


• Industry-standard race-inspired engineering at an economical price


• Quiet insert available separately for noise-sensitive environments

Specifications

• Notice: Closed Course Use Only


• Item ID: 044404


• Type: Slip-On


• Configuration: Single


• Construction: Aluminium


• Finish: Natural


• Midpipe: Stainless Steel


• Endcap: Stainless Steel


• Spark Arrestor: Screen Insert (included)


• Carburettor Warning: No


• Quiet Insert: Available (sold separately)


• Weight: 5.7 lbs.

Vehicle Fitment

YAMAHA

• WR450F (2016–2018)


• YZ450F (2014–2017)


• YZ450FX (2016–2018)