Active Noise Filter 23mm Red/Black (Ok-Ok/J) steering-column reduced carbon build-up

reduced carbon build-up

Manufactured to OEM specification for Birel ART Group chassis

water-resistant

as well as other gearbox kart setups requiring a 30mm intake connection

the 509 model is a popular choice for both competitive and recreational drivers

Active Noise Filter 23mm Red/Black (Ok-Ok/J) steering-column reduced carbon build-upThe Active Noise Filter D. 23mm Red Black is designed to reduce intake noise on modern direct drive kart engines while preserving smooth airflow and consistent engine response. With a 23mm inlet diameter, this active intake silencer is commonly used on OK and OKJ kart engines, as well as other applications requiring a 23mm intake connection. Its internal noise dampening design helps meet circuit sound regulations without negatively affecting