Cold Air Intake

Performance Benefits

• Adds up to 15 horsepower with dyno-tested gains
• Rotationally-molded HDPE intake tube maximizes airflow and resists engine heat soak
• Includes a pre-oiled, washable, and reusable RE-4780 cotton filter
• Oversized conical design delivers long service intervals—up to 100,000 miles under normal highway driving
• Installs in less than 60 minutes using common tools
• No cutting or tuning required – true bolt-on performance
• Backed by K&N’s Limited Lifetime Warranty

Upgrade your 99-03 7.3L intake system with the K&N 57 Series FIPK Cold Air Intake, engineered to increase power, improve engine response, and deliver better overall efficiency. Designed for trucks and performance vehicles, this system features a high-flow polyethylene intake tube and the proven RE-4780 oiled cotton filter, increasing the volume of cool air your engine receives.

By reducing restriction and improving filtration, the K&N 57 Series helps your engine breathe better—boosting performance and fuel economy in one simple package. The filter is washable, reusable, and built for long service intervals, meaning fewer replacements and more time on the road.

This intake system does not include a traditional airbox but comes with a custom heat shield to reduce heat soak from the engine bay. Ideal for performance-minded drivers looking for a quick, effective, emissions-friendly upgrade. Note: Not legal for sale or use on pollution-controlled vehicles in California. Please verify your state’s emissions compliance.