1200HP 9ff Porsche 997 Turbo Going Flatout on Track! Flames & Accelerations! Drag & Track by turboandstance - March 11, 2019July 13, 2020 What you see here is a 1200HP 9ff Porsche 997 Turbo MkI participated on Supercar Sunday at circuit TT Assen. The turbo whistle and how this Porsche climbs in the RPMs is truly amazing! Watch the video, enjoy this 9ff Porsche 997 Turbo MK1 below and leave a comment or share