K&N Performance Air Intake System (57-2531)

K&N Performance Air Intake System (57-2531)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

Use with K&N 100-8505 Scoop or Harwood 3158 Scoop

K&N adapters allow for even more air filter applications

This coupler connects two 4-1/2 inch tubes and is 1-3/4 inches in length

K&N intakes are designed to dramatically reduce intake restriction allowing your engine to inhale a larger amount of air than the factory air filter assembly

Each kit is designed to provide power throughout the RPM range

Chrome finish aluminum tube with high quality finish

This coupler adapts a 3-1/4 inch to a 3 inch tube and is 2 inches in length

It features a high flow intake tube

Provides long life and ease of maintenance

Designed for custom do-it-yourself racing air intake applications

The tools needed are a screwdriver

This K&N racing air filter was designed to fit and seal onto the opening of an unmodified Enderle Birdcatcher fuel injection hat