ECU Upgrade - Audi S4 B6 4.2L V8/5V (2003)

  • Sale
  • Regular price $550.00


#stage1

Unitronic Stage 1 : 362HP / 330LB-FT

Stock Power: 340HP / 310LB-FT
91 Octane/95 RON Gas

Description

Performance Software Precisely Engineered for a completely stock car.

UniCONNECT+

This vehicle has added support through UniCONNECT+ which allows you to program your own vehicle right in your own garage.

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

#stage1plus

Unitronic Stage 1 Plus: 367HP / 335LB-FT

Stock Power: 340HP / 310LB-FT
93 Octane/98 RON Gas

Description

Performance Software Precisely Engineered for a completely stock car.

UniCONNECT+

This vehicle has added support through UniCONNECT+ which allows you to program your own vehicle right in your own garage.

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 Hestiation (Lag) Removed
  • Ignition Timing Precisely Calibrated for Higher Octane Fuel

#stage2

Unitronic Stage 2: 375HP / 363LB-FT

Stock Power: 340HP / 310LB-FT
93 Octane/98 RON Gas

Description

Performance Software precisely engineered to run with an upgraded exhaust system

UniCONNECT+

This vehicle has added support through UniCONNECT+ which allows you to program your own vehicle right in your own garage.

Required Hardware

  • Upgraded Exhaust System

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
  • Ignition Timing Precisely Calibrated for Higher Octane Fuel
  • Precisely Calibrated for an Upgraded Exhaust System
  • Optimized for a High Flow Catalytic Converter