K&N 15 GMC Sierra 2500/3500HD 6.6L V8 AirCharger Performance Intake 5x120 BORLA(r)'s CrateMuffler(r) is the world's

BORLA(r)'s CrateMuffler(r) is the world's first muffler purpose-built to optimize the sound & power of crate and custom built motors

To insure the highest quality

It features an incorporated scoop to capture air from the front of the vehicle

This cone filter has a large (6-3/4" x 4-3/4") oval flange and is 9" tall with an inverted top

Bushings are a premium polyurethane blend that insulates the cab while maintaining superior durability

K&N 15 GMC Sierra 2500/3500HD 6.6L V8 AirCharger Performance Intake 5x120 BORLA(r)'s CrateMuffler(r) is the world'sA 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