Mercedes-AMG models: GT, GT S, GT C, GT R from 2015 - today The Wagner Tuning Air Intake System is a direct replacement for the factory system removing all the OEM bottlenecks. The flow optimised Ø102mm (4 inch) carbon pipe, carbon airbox covers and airbox bottoms with enlarged air filters ensure the best possible airflow characteristics removing unnecessary restrictions and turbulence. High Performance air filters, enlarged 50% over OEM, guarantee superior flow whilst ensuring excellent filtration. This Air-Intake-System offers mass air flow improvements of 42% over OEM. Engine response and power output greatly improved. The Wagner Tuning Carbon Air Intake Systems quality design, fit and finish enhances the engine bay aesthetics. The kit comes with: 2 carbon airbox cover 2 plastic airbox bottom 2 carbon pipes 2 silicon adapter hoses (black)2 high performance air filter 1 mounting material 1 installation instruction