Most INSANE Audi Quattro EVER! - Audi S1 Prospeed EARGASMIC 5-Cylinder TURBO Sounds!

This is hands down one of the most bonkers Audi S1 replica builds going! It's the Audi Sport Quattro S1 Group B replica tuned by Prospeed Motorsport and driven by the Bulgarian driver Nikolay Zlatkov. This hillclimb monster is powered by a 5-cylinder turbo engine which is able to produce a whopping 770 horsepower! Follow me also on: Facebook: http://www.fb.com/NM2255 Google+: http://plus.google.com/+NM2255 Instagram   / nicknm2255   Twitter:   / nm2255   2nd Car Channel:    / nickcarvideos