Wagner Tuning Competition auxiliary water cooler for Audi S8 D4 (4.0 TFSI) – 66% more cooling capacity Experience the full performance of your Audi S8 D4! With the Wagner Tuning Competition auxiliary water cooler kit, you can optimize the indirect intercooler circuit of your 4.0L V8 biturbo engine. By specifically lowering the coolant temperature, performance is directly increased and the thermal stability of your engine is massively improved. Why this additional cooler is a must for your Audi S8: Massive cooling volume expansion: Expands the cooler volume of the standard system by an astonishing 66%. This ensures a significantly lower coolant temperature. Maximum heat transfer: The newly developed competition racing mesh offers a unique ratio between internal and external cooling surface for maximum heat transfer and efficient heat dissipation. Long-term cooling effect: Equipped with a heat-conducting anti-corrosion coating that ensures a lasting and optimal cooling effect. Direct performance increase: The reduction in coolant temperature in the indirect intercooler circuit results in more power and torque. Easy installation: Hassle-free plug-and-play installation with detailed installation instructions. Technical details & vehicle compatibility (Audi S8 D4 / 4.0 TFSI) The Wagner Tuning Competition Water Cooler Kit is suitable for all Audi models in the D4 series that have the 4.0L V8 biturbo engine: Wagner Tuning Additional Water Cooler: Volume increase: +66% compared to the standard water cooler Mesh type: Competition racing mesh Coating: Heat-conducting anti-corrosion coating Installation: Plug & Play The Wagner Tuning cometition radiator kit for Audi S8 D4 fits to the following models : Audi S8 D4 Plus 605PS/445KW 09/2015-09/2017 Audi S8 D4 520PS/382KW 04/2012-09/2017 Audi 4.0 TFSI D4 435PS/320KW 09/2013-09/2017 Audi 4.0 TFSI D4 420PS/309KW 04/2012-08/2013 Maximize your driving experience and the thermal stability of your S8 D4! Part number: 400001030 Kit comes with: 1x auxiliary water cooler 1x set of silicone hoses 1x mounting material