Right so the Mercedes-AMG GT R deliveries are around the corner but what if you have not managed to get one or you simply can’t wait for it? Well Piecha have the answer for you in the form of their GT-RSR. It packs 612 horsepower which is a lot more than the 577 in the GT R but they have not detailed as to how they got this extra oomph. Piecha reckon it can execute the 0 to 100 km/h sprint in 3.7 seconds which is surprising considering the less powerful GT R can do it in 3.6 seconds. To complete the upgrades, you get a carbon fibre aero kit which includes an underbody diffuser, quad 90mm pipes and Yokohama wrapped alloys. This is one fantastic looking package especially with the front lip and decently-sized rear wing.