Q4 Hex Exhaust Silencer 20-21 Kawasaki KLX 300 R - FMF 042388

Engineered for off-road riders demanding outstanding performance with minimal noise, the FMF Q4 HEX S/A delivers power gains across the entire rpm spectrum while meeting strict sound regulations. Its advanced chamber and baffle design, combined with proprietary multi-stage packing, ensures a quieter ride without sacrificing performance. The robust construction keeps weight to a minimum and includes a spark arrestor for added safety and compliance.

Features

• Notice: Closed Course Use Only


• Type: Slip-On


• Configuration: Single


• Constructed from lightweight aluminium with a natural finish


• Midpipe and endcap manufactured from stainless steel for durability


• Spark arrestor: Screen insert (included)


• Power increases throughout the rpm range


• Meets USFS and FIM World Enduro sound standards


• Built rugged for off-road endurance


• Proudly made in the USA


• Includes a 94dB quiet insert for reduced sound


• Pounds lighter than OEM exhaust systems

Specifications

• Item ID: 042388


• Weight: 6.6 lbs (approx. 3 kg)


• Carb Warning: yes


• Exhaust type: Slip-on silencer


• Spark arrestor: Included


• Quiet insert: 94dB (included)


• Material: Aluminium body, stainless steel midpipe and endcap


• Finish: Natural

Vehicle Fitment

KAWASAKI

• KLX300R (2020–2021)