GIAC testing Porsche Panamera Turbo software, +58 wheel horsepower on 91 octane
The vehicle here is a Porsche Panamera Turbo tuned by GIAC on 91 octane pump gas. The car is also outfitted with the Vorsteiner V-PT aerodynamic package. The tuning gains with software only are very impressive on a Mustang dyno. The baseline was 413 horsepower at all four wheels and tuned the number is 471 at all four wheels. That is a 58 wheel horsepower gain along with 51 pound feet of torque, graph and video below.