JRM Group, the advanced-engineering and manufacturing company based in Daventry, Northamptonshire, has unveiled its GT23 supercar, a car engineered to be ‘the purest, most driver-centric car built for the track and road-ready’. Based on the Nissan GT-R GT3, the GT23 is powered by a 3.8-litre V6 Twin Turbo engine delivering 500bhp per tonne and seated […]