Audi RS6 RS7 8C Intercooler Kit Features : Increased core volume: 50% larger (10,063 cm³ compared to OEM 6,689 cm³). Increased active cooling area: 29% larger (958 cm² compared to OEM 743 cm²). Larger hose connections for improved flow: 37% larger (Ø70 mm (2 ¾) compared to OEM Ø60 mm (2 3/8)). Lower intake temperature under identical conditions: 27 °C lower than OEM. Exact figures are available in the charts among the product images. Improved airflow with lower pressure drop: @ 0.125 bar / 1.81 psi pressure drop: 422 CFM (363 CFM), increase of 16%. Exact values are shown in the charts. Garrett motorsport-spec Bar&Plate core with high density and excellent flow. Custom-made air guides in prepreg carbon fiber. Unique 3D free-form cast end tanks. Easy installation, no modifications required. Fits: Audi RS6 (8C) Model years: 2020- Engine: 4.0 V8 TFSI Audi RS7 (8C) Model years: 2020- Engine: 4.0 V8 TFSI OEM ref.: 4K0145805P 4K8121333K 4K8121705 4K0145709R 4K0145737AC 4K0145318B 4K0145806B