K&N Universal Rubber Filter 3inch FLG / 5inch OD-B / 4-5/8inch OD-T / 8inch H Air Intake Systems>Silicone Couplers & Hoses Gain a guaranteed increase in

Gain a guaranteed increase in horsepower and torque with K&N cold air intake system featuring madrel-bent aluminum intake tube

For S5 owners looking to fine tune the sound even more

5in lower than stock

This 9” tall 360-degree radial flow air filter features a 5” round flange and our oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum airflow and performance

They are equipped with a rubber bushing in one end for isolation of axle noise

K&N Universal Rubber Filter 3inch FLG / 5inch OD-B / 4-5/8inch OD-T / 8inch H Air Intake Systems>Silicone Couplers & Hoses Gain a guaranteed increase inK&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra strong molded pliable rubber flanges which absorb vibration and allow for secure