The Active Noise Filter D.23mm Silver/Black is a compact intake silencer designed to reduce induction noise on modern direct-drive kart engines while maintaining stable airflow and consistent performance.

Featuring a 23mm inlet diameter, this active noise filter is well suited to OK and OKJ-style kart engines, as well as other applications requiring a 23mm intake connection. Its internal design helps dampen intake noise to assist with circuit noise regulations, without restricting airflow or throttle response.

Finished in a durable silver and black combination, this intake noise filter offers both a professional appearance and long-lasting reliability. Its lightweight construction ensures easy installation and secure fitment, making it ideal for both race and test environments.

Key Features:

• 23mm inlet diameter

• Active intake noise reduction design

• Helps comply with kart circuit noise limits

• Suitable for OK, OKJ and other 23mm intake applications

• Lightweight, compact construction

• Durable silver and black finish

• Simple to install and remove

A practical solution for drivers and teams seeking effective intake noise control without compromising engine performance.