K&N 2014 Audi A4 2.0L Turbo Typhoon Air IntakeThe K&N 69 9508T Typhoon air intake system is a free flowing, mandrel bent aluminum tube air induction system designed to fit specific Audi A4, A5 and A6 models. The restrictive factory air filter and air intake housing are replaced by the K&N Typhoon air intake which is designed to dramatically reduce air flow restriction as it smoothes and straightens air flow. This allows your engine to more easily inhale a larger amount of air than the factory air