K&N Audi A4 2.8L V6 Performance Intake Kit - 57-0515 Diff Covers This system produces a deep

This system produces a deep sound unleashing all available horsepower and torque with little to no unwanted interior cabin drone

AT2-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc

This process results in fewer pinholes and virtually no air pockets in the carbon ensuring a product of superior quality

Constructed from 3mm-thick steel and powder-coated in a corrosion-resistant black finish

Conversion Kits available to easily switch between editions

K&N Audi A4 2.8L V6 Performance Intake Kit - 57-0515 Diff Covers This system produces a deepK&N 57i Series induction kits are specifically designed for each different vehicle and will free your car from the size restriction that comes with the factory air box. These economical kits can take a variety of different forms based on vehicle characteristics and available space under the hood. Each kit is designed to provide power throughout the RPM range. The extra surface area of these open air air filters provides even more airflow at lower