Nissan GT-R Switzer Backfire Dyno Run & Acceleration!

This video is from the we site The tuning kit of Switzer P800  turns this Nissan GT-R in to a monster with amazing 800hp. With a few PSi more boost the 840 HP is no problem. They have additionally added 100 octane fuel in order to deliver better performance. Check the dyno run and acceleration of this GTR on the video: