Sport Mode Extra Power for Porsche ECU Tuning VRTuned.com July 15, 2014 Company News, Product Info, Tuning Tech Brand new from VR Tuned is the ability to have both economy and sport mode on your Siemens ECU equipped Porsche. As a first from the VR Tuned tuners, Porsche vehicles with sport chrono and Siemens ECU can...