K&N Audi A4 1.8L Turbo 150BHP Performance Intake Kit Cold Air Intake System uses DCF300 Filter BORLAs XR-1 Raceline offers the

BORLAs XR-1 Raceline offers the best balance of sound and power

Torque Solution Stainless Steel V-Band Clamp & Flange Kit - 4in (101mm)

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K&N Audi A4 1.8L Turbo 150BHP Performance Intake Kit Cold Air Intake System uses DCF300 Filter BORLAs XR-1 Raceline offers theK&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