Unitronic Stage 1 91 Octane: 295HP / 300LB-FT STOCK POWER: 265HP / 258LB-FT Description Performance Software Precisely Engineered to Run 19psi of Boost on a Completely Stock Car.Subject to ECU Box code availability. Features Engineered with Strict Industry Standards Extensively Tested Under Various Driving Conditions Factory Safety Limiters Retained Optimized Responsiveness and Drivability Optimized Smoothness and Driving Comfort Power Delivery Perfectly Optimized Throughout the Power Band Improved Fuel Efficiency Speed Governor Removed RPM Limiter Increased to 7100 Lower End Hesitation (Lag) Removed Unitronic Stage 1+ 93 Octane: 305HP / 310LB-FT Description Performance Software Precisely Engineered to Run 20psi of Boost on a Completely Stock Car.Subject to ECU Box code availability. Features Engineered with Strict Industry Standards Extensively Tested Under Various Driving Conditions Factory Safety Limiters Retained Optimized Responsiveness and Drivability Optimized Smoothness and Driving Comfort Power Delivery Perfectly Optimized Throughout the Power Band Improved Fuel Efficiency Speed Governor Removed RPM Limiter Increased to 7100 Lower End Hesitation (Lag) Removed Ignition Timing Precisely Calibrated for Higher Octane Fuel Includes all Stage 1+ tune variants and all lower software stages. Unitronic Stage 2 93 Octane: 335HP / 340LB-FT Description Performance Software Precisely Engineered to Run 21psi of Boost.Subject to ECU Box code availability. Features Engineered with Strict Industry Standards Extensively Tested Under Various Driving Conditions Factory Safety Limiters Retained Optimized Responsiveness and Drivability Optimized Smoothness and Driving Comfort Power Delivery Perfectly Optimized Throughout the Power Band Improved Fuel Efficiency Speed Governor Removed RPM Limiter Increased to 7100 Lower End Hesitation (Lag) Removed Ignition Timing Precisely Calibrated for Higher Octane Fuel Precisely Calibrated for an Upgraded Exhaust System (Go Green - Use a Catalytic Converter) Optimized for a High Flow Catalytic Converter Spark-based Launch Control Available for 6spd Manual Transmission equipped vehicles in North America: 4000 RPM launch control setpoint, 5PSI (0.4 Bar) of boost off Launch Control and Traction Control (TC) must be disabled to engage LC Includes all Stage 2 tune variants and all lower software stages. *Does not include Stage 2 HPFP. Required Hardware Upgraded Downpipe Recommended Hardware Cold Air Intake / Short Ram Turbo Back Exhaust System Upgraded Intercooler Unitronic Stage 2 HPFP 93 Octane: 345HP / 350LB-FT Description Performance Software Precisely Engineered to Run 22.5psi of Boost.Subject to ECU Box code availability. Features Engineered with Strict Industry Standards Extensively Tested Under Various Driving Conditions Factory Safety Limiters Retained Optimized Responsiveness and Drivability Optimized Smoothness and Driving Comfort Power Delivery Perfectly Optimized Throughout the Power Band Improved Fuel Efficiency Speed Governor Removed RPM Limiter Increased to 7100 Lower End Hesitation (Lag) Removed Ignition Timing Precisely Calibrated for Higher Octane Fuel Precisely Calibrated for an Upgraded Exhaust System (Go Green - Use a Catalytic Converter) Optimized for a High Flow Catalytic Converter Optimized for a Upgraded High Pressure Fuel Pump Includes all Stage 2 HPFP tune variants and all lower software stages. Spark-based Launch Control Available for 6spd Manual Transmission equipped vehicles in North America: 4000 RPM launch control setpoint, 5PSI (0.4 Bar) of boost off Launch Control and Traction Control (TC) must be disabled to engage LC Required Hardware KMD Tuning High Pressure Fuel Pump Kit Turbo Back Exhaust System Cold Air Intake / Short Ram Recommended Hardware Upgraded Intercooler Oil and Additives Recommendation Unitronic uses and recommends Liqui Moly Oil & Additives exclusively for your vehicle, which meet Audi/VW approvals. To ensure your vehicle is maintained with the #1 oil brand in Germany, see what is recommended for you with the Liqui Moly Oil Guide.