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

Stage 1+ Adds:

• Ignition Timing Precisely Calibrated for Higher Octane Fuel

Stage 2 Adds:

• Precisely Calibrated for an Upgraded Exhaust System (Go Green - Use a Catalytic Converter)
• Optimized for a High Flow Catalytic Converter

Stage 2 HPFP Adds:

• Optimized for a Upgraded High Pressure Fuel Pump

Required Hardware For Stage 2:

• Upgraded Downpipe

Required Hardware For Stage 2 HPFP:

• Upgraded High Pressure Fuel Pump
• Upgraded Downpipe
• Cold Air Intake / Short Ram

Required Hardware For Stage 3 BT:

• RS4 Injectors
• Upgraded High Pressure Fuel Pump
• Upgraded Downpipe
• Upgraded Intercooler
• Electronic Boost Controller (EBC)

Stage 1 DSG Software Features:

• Optimized "D" & "Sport Mode"
• RPM Limiter Increased to 6700
• Launch Control Increased to 3400

Stage 2 DSG Software Features:​

• Optimized "D" & "Sport Mode"
• RPM Limiter Increased to 7000
• Launch Control Increased to 4000
• Automatic Downshifting upon deceleration
• Kick Downs Removed
• Includes all Stage 2 tune variants and all lower software stages

Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.