Ultracharged S4 does an ultracharged run very ultraly.
APR Porsche 911 Turbo S 3.8T (991.2) ECU Update (V1.1)| 11/17/2021
We’ve recently updated our Porsche 911 Turbo S 3.8T (991.2) Software suite to incorporate several new enhancements found on our other 991.2 ECU upgrades. This update improves on hardware compatibility, eliminating the need for separate Stage 1 and Stage 1+ files. Power and torque delivery has been updated and new safety features have been added to enhance reliability in all conditions! Additionally support for Ethanol (E60-E85) has been added. This free update from APR is available today. Call a dealer to schedule an appointment and visit our web page for more details.
APR Porsche 911 Turbo 3.8T (991.2) - APR Plus, Stage 1, and Stage 3 Turbo S Turbo Upgrade!| 11/17/2021
We're excited to announce our Engine Control Unit (ECU) Upgrades are now available for the Porsche 911 (991.2) Turbo 3.8T engine with the Continental SDI 21 ECU! Expect massive gains with up to 612-754 HP and 623-701 FT-LBS of torque on tap, depending on octane and stage!