We already knew that TechArt would be showing up on the Frankfurt Show floor with their new Porsche Cayenne package, but the deal has just been sweetened with the inclusion of the new GTStreet RS. Based on the Porsche 911 GT2 RS, the new GTStreet RS is the most powerful car ever developed by TechArt, and it doesn’t look too shabby either.

The 2011 Porsche GTStreet RS is still powered by the GT2 RS’ standard 3.6 liter six-cylinder boxer engine, but its output has been skyrocketed to 720 HP and a peak torque of 663 lb-ft. However, before you can even feel how powerful this car is out on the road, it’s exterior look lets you in on the secret ahead of time.[...]

Source: topspeed