K&N 99-03 Ford F-Series Super Duty V8-7.3L Performance Intake Kit - 57-2530 fits_2009-2016`Audi`A4 6 C) when tested on

6 C) when tested on a 65 mph highway cruise

HC4-XXR4 kit features a MaXX pressure plate for the serious enthusiast

HKS T-Joint pipe 6-6-6mm (2pcs)

Helps maintain speeds on descents and curves

K&N 99-03 Ford F-Series Super Duty V8-7.3L Performance Intake Kit - 57-2530 fits_2009-2016`Audi`A4 6 C) when tested onA 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