The performance package for the Audi TTRS 8J / RS3 8P consists of the intercooler upgrade kit EVO1 and the downpipe kit. Intercooler Upgrade Kit 200001019 This Intercooler-Upgrade-Kit, is a high performance redesign of the original OEM intercooler designed specifically for the Audi TTRS/RS3 Tuning Enthusiast. 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. Constructed of the highest quality bar and plate intercooler cores combined with cast aluminium and then CNC end tanks for reliable high performance air to air charge cooling. OEM+ Fit and finish for easy installation. The Wagner Tuning Audi RS3 Intercooler Upgrade Kit features: High-performance 535mm x 160mm x 110mm 8,670 cm³ flow rate Intercooler Core vs. OEM 535mm x 160mm x 80mm 6,848cm³ flow rate CAD / FEM optimized cast aluminum end tanks 100% Factory Replacement OEM Mounting Points Simple Installation weight 6,7kg The EVO 1 Performance Intercooler Kit fits to: Audi TTRS 8J 250KW/340PS (2009-2014) Audi TTRS plus 8J 265KW/360PS (2009-2014) Audi RS3 8P Sportback 250KW/340PS (2011-2013) Downpipe Kit 500001003 Downpipe-Kit for Audi TTRS 8J / RS3 8P with Race Catalyst Converter Diameter of 90mm to 2x 70mm High-quality stainless steel 1.4301 (SS304) CAD-Designed and optimised 1 Oxygen Sensor Connection 2 Racing Catalyst Converter (100 Cells / inch) 100% oem fit, easy to replace factory part No Precat so less thermal load for the turbocharger Better performance by reducing back pressure Significantly higher torque Suitable for Audi TTRS 8J and 8P Audi RS3 May not be approved for road use in your region.