K&N 57 Series Cold Air Intake

07-09 Dodge Ram 6.7L Diesel

57-1557

A high-density polyethylene (HDPE) rotationally-molded tube helps increase the volume of airflow to your engine, and provides a guaranteed increase in horsepower and torque. These systems are paired with a washable, reusable High-Flow Air Filter™ featuring oiled cotton filter media. The oversized, conical design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield helps protect intake air from the high temperature of your engine bay, and the entire system can typically be installed in less than 60 minutes.

Product details

• Guaranteed to increase horsepower and torque
• Roto-molded HDPE intake tube paired with oversized oiled cotton air filter
• Engineered to provide high airflow and exceptional filtration
• Replaces factory air filter and intake tube
• Filter only requires cleaning every 100,000 miles under normal highway driving conditions
• Typical installation can be completed in 60 minutes or less with simple hand tools
• No-Hassle Lifetime Limited Warranty™
• Will not void vehicle warranty
• Estimated Horsepower Gain: 20.63 HP @ 2500 RPM
• Estimated Torque Gain: 43.4 lbft
• Street Legal In All US States: Legal for use in all 50 states.

K&N is one of the most recognized names in performance filtration, offering reusable high-flow air filters, cold air intakes, and related filters for street and motorsports use. Their products are designed to improve airflow and serviceability—ideal for enthusiasts who want performance-oriented filtration and easy maintenance.