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 6900
• Cold Weather Start and Warm up Improved
• Lower End Hesitation (Lag) Removed
• Optimized for an Upgraded (DV) Diverter Valve

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+ Adds:

• Optimized for K04 and supporting mods

Stage 3 BT 440CC Adds:

• RPM Limiter Increased to 7500 (With Stock Head)
• Optimized for an Upgraded (DV) Diverter Valve or (BOV) Blow Off Valve
• Ignition Timing Precisely Calibrated for Higher Octane Fuel

Stage 3 BT 630CC Adds:

• RPM Limiter Increased to 7500 (With Stock Head)
• Optimized for an Upgraded (DV) Diverter Valve or (BOV) Blow Off Valve
• Ignition Timing Precisely Calibrated for Higher Octane Fuel

Required Hardware for Stage 1+:

• Upgraded (DV) Diverter Valve recommended 

Required Hardware for Stage 2:

• Upgraded Downpipe
• Cold Air Intake or Short Ram recommended 
• Upgraded (DV) Diverter Valve recommended 
• Upgraded Intercooler recommended

Required Hardware for Stage 2+:

• K04 Turbo
• Audi TT 225HP Fuel Injectors (386cc)
• Audi TT 225HP Maf Housing (Keeping your stock sensor)
• Upgraded Downpipe
• Cold Air Intake / Short Ram
• Upgraded (DV) Diverter Valve recommended 
• Upgraded Intercooler recommended 

Required Hardware for Stage 3 BT 440CC:

• Bosch Green Giant 415cc Injectors
• OBD2 VR6 or TT225 Maf Housing (Keep Stock Sensor)
• 3.5 Bar FPR
• Upgraded Exhaust System
• Upgraded Intercooler
• Cold Air Intake / Short Ram
• Upgraded Fuel Pump (For over 300HP) recommended 
• Upgraded (DV) Diverter Valve recommended 
• Upgraded Rods (For over 300WTQ) recommended 

Required Hardware for Stage 3 BT 630CC:

• Unitronic Wideband Conversion Harness 
• Siemens 630cc Injectors
• OBD2 VR6 or TT225 Maf Housing (Keep Stock Sensor)
• 3 Bar FPR
• Upgraded Exhaust System
• Upgraded Intercooler
• Cold Air Intake / Short Ram
• Upgraded Fuel Pump (For over 300HP) recommended 
• Upgraded (DV) Diverter Valve recommended 
• Upgraded Rods (For over 300WTQ) recommended 

*Please note, power figures may vary depending on specific years and models. 

*This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next business day.

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