NOX Noise Filter 30mm Carbon/Chrome (KZ-KZ2) Gillard Class: OK / OKJ /

Class: OK / OKJ / Rotax / IAME X30 and other single-speed classes

shorter races

Sold as a complete front and rear set

Advanced ventilation system for airflow and comfort

Hanging holes at handle ends for safety lock systems

NOX Noise Filter 30mm Carbon/Chrome (KZ-KZ2) Gillard Class: OK / OKJ /The NOX Noise Filter 30mm Carbon Chrome is a premium intake silencer designed to reduce induction noise on gearbox kart engines while maintaining consistent airflow and throttle response. Featuring a 30mm inlet diameter, this NOX filter is commonly used on KZ and KZ2 engines, as well as other gearbox kart applications requiring a 30mm intake connection. Its internal noise damping design helps meet circuit sound limits without restricting airflow or