K&N Cold Air Intake System w/ Oiled Filter For 1999-2005 Porsche 911 3.4L/3.6L 2008-2021 Harley-Davidson Road King 6L Duramax LML/LGH with the

6L Duramax LML/LGH with the XDP OER Series Fuel Return Line Assembly XD607

ensuring a leak-free seal

BORLA® the original pioneers of premium

90-Day Warranty

K&N Cold Air Intake System w/ Oiled Filter For 1999-2005 Porsche 911 3.4L/3.6L 2008-2021 Harley-Davidson Road King 6L Duramax LML/LGH with theA 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