HKS 4mm Vaccum Filter

Ensure reliable and accurate boost control with the HKS EVC Filter. Designed specifically for use with HKS EVC (Electronic Valve Controller) systems, this inline air filter fits 4mm vacuum hoses and helps prevent dust, oil, and debris from entering the solenoid valve. A clean vacuum line ensures consistent performance and prolongs the life of your boost control system. Genuine HKS product Designed for 4mm vacuum hoses Filters contaminants for optimal EVC operation Helps maintain stable and precise boost pressure control Easy to install and replace Perfect for maintaining peak performance in your turbocharged setup.