Extreme Turbo Systems – 6.88 @ 222 mph! New GT-R 1/4 Mile World Record!! Drag & Track by turboandstance - September 23, 2017September 23, 2017 Extreme Turbo Systems – 6.88 @ 222 mph! New GT-R 1/4 Mile World Record!! The Extreme Turbo System’s Race GT-R set a New GT-R 1/4 Mile World Record! Not once, but twice! 6.91 @ 195mph followed by a 6.88 @ 222mph! Leave a comment