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UNITRONIC B6, B7 S4 4.2L V8 PERFORMANCE SOFTWARE

Unitronic
SKU
UNI-B6-B7-S4-ECU
$550.00

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Get the most out of your vehicle today with Unitronic Performance ECU software for the Audi B6 or B7 S4 equipped with the 4.2L V8 engine.

Choose your software stage:

Stage 1 - 362 HP / 330 LB-FT (+22 HP / +20 LB-FT)

Performance Software Precisely Engineered for a completely stock car.

  • Requires 91 Octane Fuel

Stage 1+  -  367 HP / 335 LB-FT (+27 HP / +25 LB-TQ)

Performance Software Precisely Engineered for a completely stock car.

  • Requires 93 Octane Fuel

Stage 2 - 375 HP / 363 LB-FT(+35 HP / +53 LB-FT)

Performance Software Precisely Engineered for use with an upgraded exhaust system.

  • Requires an upgraded aftermarket exhaust system

Features Included With All Stages

  • 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

Fitment/Applications

  • 2003-2004 Audi B6 S4 4.2L V8
  • 2005-2008 Audi B7 S4 4.2L V8

Installation

This software must be installed at one of our shops. If you would like to schedule an appointment, please click or tap here to contact us.

Please note that this software may not be available for all ECU IDs.

More Information
Brand Unitronic
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