Radical Motorsport has just released an updated version of the SR3 in the SR3 XXR race car. Improved in almost all areas, the SR3 XXR is fitted with Radical Performance Engines’ (RPE) Generation 5, biofuel-ready, 1,500-cc 232 bhp engine, a new LMP-inspired central tail “shark fin,” lightweight wheels, a carbon fiber splitter and rear diffuser, […]