Powercore 4 Hex Exhaust Silencer 09-11 Kawasaki KX 450 F - FMF 042309

Delivering race-inspired performance for demanding riders, the FMF Racing Powercore 4 HEX 042309 sets a new standard for affordable motocross exhausts. Engineered using insights from premier exhaust lines, this slip-on system increases both torque and horsepower, thanks to its Hi-Flo technology core and enhanced sonic evacuation. Durable stainless steel and aluminium construction, combined with innovative internal packing material, ensures long-term reliability for off-road use.

Features

• Overall improvement in power and torque output for superior ride performance


• Manufactured with robust stainless steel and aluminium for lasting durability


• Hi-Flo core design enhances airflow and power delivery


• Space Age internal packing maximises muffler longevity


• Enhanced sonic evacuation for increased exhaust flow


• Removable spark arrestor included for versatility


• Suitable for closed course use only


• Weighs just 5.3 lbs for reduced overall vehicle mass

Specifications

• Item ID: 042309


• 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

Kawasaki

• KX450F (2009–2011)