NOX Noise Filter 23mm Red/Black (OK / OKJ) Trolley This is a go-to adjustment

This is a go-to adjustment when the track is green or high-grip

125cc single-cylinder

reducing aquaplaning risk and giving young drivers the confidence to push hard even in challenging conditions

3D Energy Strawberry Lemonade keeps you in the fast lane – wherever you compete

NOX Noise Filter 23mm Red/Black (OK / OKJ) Trolley This is a go-to adjustmentThe NOX Noise Filter D. 23mm Red Black is designed to effectively reduce intake noise on direct drive kart engines while preserving smooth airflow and reliable throttle response. Featuring a 23mm inlet diameter, this NOX intake silencer is widely used on OK and OKJ engines, as well as other kart engines requiring a 23mm intake connection. Its compact internal design helps manage induction noise to comply with circuit sound regulations without