ECU Upgrade - Audi A4 B5 1.8L R4/5VT Turbo (2001)

  • Sale
  • Regular price $500.00


#stage1

Unitronic Stage 1 : 205HP / 230LB-FT

Stock Power: 170HP / 166LB-FT
91 Octane/95 RON Gas

Description

Performance Software Precisely Engineered to Run 16.5psi of Boost on a Completely Stock Car.

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
  • 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

#stage1plus

Unitronic Stage 1 Plus : 220HP / 250LB-FT

Stock Power: 170HP / 166LB-FT
93 Octane/ 98 RON Gas

Description

Performance Software Precisely Engineered to Run 18psi of Boost on a Completely Stock Car.

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
  • 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
  • Includes all Stage 1+ tune variants and all lower software stages

Recommended Hardware

  • Upgraded (DV) Diverter Valve

#stage2

Unitronic Stage 2 : 225HP / 255LB-FT

Stock Power: 163HP / 166LB-FT
93 Octane/ 98 RON Gas

Description

Performance Software Precisely Engineered to Run 18psi of Boost.

Required Hardware

  • 3" Downpipe

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.

Recommended Hardware

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

#stage2plus

Unitronic Stage 2 Plus: 260HP / 300LB-FT

Stock Power: 170HP / 166LB-FT
93 Octane/ 98 RON Gas

Description

Performance Software Precisely Engineered to Run 20psi of Boost.

Required Hardware

  • K04-015 Turbo
  • Audi TT 225HP Fuel Injectors (386cc)
  • Audi TT 225HP Mass Air Flow Housing
  • 3 BAR Fuel Pressure Regulator
  • 3" Downpipe
  • Cold Air Intake / Short Ram

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
  • 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.

Recommended Hardware

  • Upgraded Diverter Valve
  • Upgraded Intercooler