High-Flow Turbo inlet hose for the AAN engine 034Motorsport Silicone Turbo Inlet Hose for Audi S4/S6 C4 - Black High-Flow Turbo inlet hose for the AAN Engine Four-Ply Reinforced Silicone Construction The 034Motorsport inlet hose replaces the factory turbo inlet hose. Its smooth internal profile improves airflow, while four nylon reinforcement layers resist collapse under vacuum. Technical Specifications: Manufacturer Part Number: 034-145-A005-BLK Material: Silicone with four nylon reinforcement layers Colour: Black Replaces OE Part Number: 034133357S Fitment: Audi S4 C4 2.2 20V Turbo (AAN), 1992-1994 Audi S6 C4 2.2 20V Turbo (AAN), 1994-1996 Included: Silicone turbo inlet hose and hose clamps.