WIX Racing Filters 46940R Advanced Performance Racing Air Filter 16" x 4"

The WIX Racing Filters 46940R is an Advanced Performance racing air filter engineered for maximum airflow and horsepower gains in asphalt racing applications. This round filter element measures 16 inches outer diameter, 13.75 inches inner diameter, and 4 inches tall, delivering exceptional breathing capability for high-performance race engines.

Advanced Performance Technology:

• Patented wire-backed gauze Reemay® media provides the lowest restriction of any racing filter available
• Flows over 1,000 CFM without compromising filtration efficiency
• Epoxy-coated steel wire inner screen resists corrosion and maintains filter element stability
• Engineered specifically for asphalt racing applications including stock car, circle track, and drag racing
• Track-tested and proven technology developed with NASCAR teams

The 46940R utilizes WIX's unique high-flow media to maximize airflow while minimizing restriction, helping boost horsepower and throttle response. This filter effectively removes dirt, debris, and contaminants before they enter the engine, providing extended piston ring life and superior engine protection. Designed for dedicated racing use only—not intended for street applications.