Wagner Tuning Silicone Hose Kit | Audi A4/A5 2.0L TFSI (210001045)Wagner Tuning Silicone Hose Kit 19942021 Audi A4 Audi A5 2. 0L TFSI Part #: 210001045 Overview The Wagner Tuning Silicone Hose Kit is designed to upgrade your Audi A4 or A5 equipped with the 2. 0L TFSI engine. This kit replaces the factory plastic charge pipes and rubber couplers, which are often the weak points in high performance applications. Whether you're a daily driver, an enthusiast seeking improved reliability, or a tuner pushing your vehicle