D1 Grand Prix URAS FALKEN' BRZ for GTA 5. The Rocket Bunny BRZ D1 Grand Prix URAS FALKEN is a modified car equipped with a Rocket Bunny aerodynamic body kit designed to improve appearance and aerodynamics. The car has a unique design, including elements of the D1 Grand Prix, URAS and FALKEN brands. It looks aggressive and sporty thanks to larger front and rear bumpers, widened fenders, aerodynamic spoilers and diffusers.