This time with +7.5 bhp NOS jet, the fuel jet in NOS system is a bit too big, making the engine struggle a little when using the NOS system. It is better to begin the tuning from the safe, rich side. I would really not like to blow a hole in the piston :)
In the beginning of the video you see a few "static tests". Check out Wizards Of NOS webpage for more information. The road you see in the video has a speed limit of 80 km/h.
The nitrous system is manufactured by Wizards Of NOS.