K&N Performance Intake Kit for 03-11 Audi, Seat, Skoda, VW 1.4L - 2.0LThe K&N 57S 9500 Performance Airbox replaces the restrictive factory air filter and air box. K&N performance air boxes are designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. This allows your engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The 57S 9500 Performance Airbox comes with an oversized