The Ideal setup for a Stage 1 setup concludes of following upgradesStage 1 (Stock Turbo - Stock Downpipe - Any Fuel)IntakeTurbo InletIntercooler1 Step Colder Spark Plugs (see our recommendations in the General section of the FAQ)DSG Tune (*Suggested for ideal driver experience)Minimum for Stage 1 is;No Hardware Required - Stock Hardware is compatible.The Ideal setup for a Stage 2 setup concludes of the following upgradesStage 2 (Stock Turbo - High Flow Exhaust Equipment*)IntakeTurbo InletIntercoolerHigh Flow Exhaust Equipment* (Not Sold by EQT)1 Step Colder Spark plugs (See our recommendations in the General Section of the FAQ)DSG TuneMinimum Upgrades for Stage 2High flow Exhaust Equipment* (Not Sold by EQT)IntercoolerDSG Tune*See Performance Disclaimer ---> Here