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APR 1.8T ECU Upgrade


APR has designed the ultimate upgrade for the 1.8T engine. APR's ECU upgrade is offered in octance specific variations. Loaded directly through the OBD-II port. APR's ECU upgrades provide an excellent gain in horsepower and torque.  


  •  ECU Upgrades
  •  A4 B5
  •  A4 B6
  •  TT (MKI)


Product Review
  • " I originally purchased your stage 1 (93 octane) program in 2001 from a company in Lisle, Illinois called Moto Persona which has since closed. The quality of the program is wonderful and I have had many smiles along with the 155,000 miles now on the car without a single issue related to the software! "

    5 Stars
    Ryan K

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