WIX Racing Filters 42337 Heavy-Duty Racing Air Filter Element

The WIX Racing Filters 42337 is a heavy-duty air filter engineered for high-performance and racing applications. Built with premium filtration media, this filter delivers outstanding contaminant removal while maintaining low airflow restriction — keeping your engine protected under demanding conditions.

WIX HD Air Filters are tested per ISO 5011 laboratory standards, achieving a minimum efficiency of 99.9% contaminant removal. The media is stabilized using a skip-a-pleat design (where applicable) along with pleat stabilization beads that help the filter capture more dirt and last longer without sacrificing airflow.

Key Features:

• Premium filtration media with skip-a-pleat stabilization and pleat stabilization beads
• Minimum 99.9% contaminant removal efficiency per ISO 5011 laboratory testing
• Polyurethane and/or high-strength corrosion-resistant end caps for durability
• Expanded metal body construction for long-lasting structural integrity
• Recommended for OEM air filter change intervals
• Track-tested and proven in stock car, dirt track, off-road, and drag racing applications

Note: WIX Racing Filters are intended for racing and off-road competition use only. Installation on street- or highway-driven vehicles may not be permitted under applicable state or federal regulations.