Unitronic Stage 2 Performance Engine Tune For VW/Audi 1.8L R4 / 5VT 

Performance Software Precisely Engineered to Run 20psi of Boost.

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
• 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
• Includes all Stage 2 tune variants and all lower software stages as well.

Required Hardware:

• Turbo Back Exhaust System

Recommended Hardware:

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

Fitment: 

2000-2005 VW Golf 1.8L R4 / 5VT

2000-2005 VW GTI 1.8L R4 / 5VT

2000-2005 VW Jetta 1.8L R4 / 5VT

2004-2005 VW Jetta GLI 1.8L R4 / 5VT

2000-2005 VW Beetle 1.8L R4 / 5VT

2000-2005 VW Passat 1.8L R4 / 5VT

2000 Audi A3 1.8L R4 / 5VT

2000-2005 Audi A4 1.8L R4 / 5VT

2000-2005 Audi TT 1.8L R4 / 5VT

2000-2002 Audi TT 225 1.8L R4 / 5VT