Unitronic Stage 1 ECU Tune (4.2L V8/5V)

LOWEST PRICE GUARANTEED
$550.00 (UniConnect device sold separately)
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SKU: 108625
MPN: ECU-42-V85V-1
Currently unavailable

Product Details

Description

Performance Software Precisely Engineered to Run on a Completely Stock Car.

Gas type
Optimized for 91 Octane / 95 Ron gas

Installation
Flashed directly through the (OBDII) Diagnostic port of your vehicle (15-20 minutes). (In some rare cases it may require a little more time.)

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

Features

  • Engineered with Strict Industry Standards
  • Extensively Tested Under Various Driving Conditions
  • Factory Safety Limiters Retained
  • Greatest Power and Torque Gains in the Industry, Guaranteed!
  • 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

Performance Gains

  • 05-06 A6: +21HP / +19TQ
  • 04-09 S4: +22HP / +20TQ
  • 02-03 S6: +22HP / +20TQ

Product Features

  • Engineered with Strict Industry Standards
  • Extensively Tested Under Various Driving Conditions
  • Factory Safety Limiters Retained
  • Greatest Power and Torque Gains in the Industry, Guaranteed!
  • 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

warranty

Lifetime Warranty on Hardware & 15-day Satisfaction Guarantee on Performance Software

Unitronic Warranty Information

Fitment Guide

Does this fit my vehicle?

Fitment Guide
Start Year End Year Make Model Submodel Cyl Lit Fuel FuelDel ASP EngDesg Notes
2003 2006 AUDI A6 QUATTRO BASE V8 4.2 GAS FI NA AWN
BNK
 
2004 2009 AUDI S4 BASE
AVANT
CABRIOLET
V8 4.2 GAS FI NA ALL  
2002 2003 AUDI S6 AVANT V8 4.2 GAS FI NA BBD  

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