Panamera Turbo Tuning Box Dyno Tested VRTuned.com December 4, 2014 Company News, Media & Events, Product Info We already know our Porsche Panamera Turbo ECU bench flash works great, but what about the Tuning Box Kit? The plug and play tuning box gives the 4.8L Twin Turbo a gain of 100bhp over stock. Recently we...