The WAGNERTUNING Audi 4B RS6+ (US) Intercooler Kit is a high performance redesign of the original Audi OEM intercooler designed specifically for the 4B Enthusiasts. Our engineers have increased the intercooler core size and efficiency, as well as improved the end tank design to remove any OEM bottlenecks, resulting in increased flow rating and charge cooling properties. Updated to the latest tube fin technology for the intercooler core, combined with cast aluminium and then CNC endtanks for reliable high performance air to air charge cooling. OEM+ Fit and finish for easy installation. The WAGNERTUNING Audi 4B RS6 Intercooler Kit features: High-performance 255mm x 230mm x 105mm intercooler core that flows 6158cm³ air volume vs. OEM 250mm x 205mm x 65mm, 3331cm cubic volume! CAD / FEM optimized cast aluminium endtanks Lightweight carbon composite intercooling ducts OEM mounting points 39% more intercooler face area vs. OEM 98% larger airflow vs. OEM new Bumper Intake Grill for high airflow, (OEM Fog light mounting) 2 intercooler (right and left side) 2 Carbonfibre Air Intake Shrouds (right and left side) 2 high Flow Air Intake Gitter  1 6 piece Silicon Hose Kit including clamps 4 special brackets for the secundary watercooler (behind the intercooler)