Forge Motorsport Silicone Turbo Inlet Hose Audi TT 225 - Red FM225IND This hose replaces the existing hose that runs between the airbox and the turbo. Reinforced wall and super smooth internal design ensure that flow rates are maximized giving noticeable gains in power and torque. Fits: 1999-2002 Audi TT 225 w/ AMU engine code and ESP Bonus: Includes Stainless Steel Clamp Set!