The APR Stage III includes every part necessary to completely upgrade the turbocharger system. Each component is completely engineered to deliver a turn-key solution with no additional expenses required other than oil, coolant and the typical supporting modifications for these power levels such as a performance exhaust. Every nut, bolt, gasket, associated hardware and all turbocharger system components required for fitment and reliability are included as well. A complete step by step installation guide including recommended tools, estimated time of install and detailed pictures is supplied to each client. APR's expertly calibrated DPP ECU Upgrade specific to the Stage III Turbocharger System is included and is the glue that holds all of the substantial power delivery, drivability and reliability together. No other company in the world provides such a complete Turbocharger System for your TFSI at these power levels.