 This extreme focus in weight saving results in a dry weight of , less than the 650S.The car is powered by a variation of the M838T twin-turbocharged V8 engine rated at at 7,100 rpm and at 5,500 rpm.This is achieved through the addition of new lightweight connecting rods, a bespoke camshaft, an electronic recirculation valve and a lightweight titanium exhaust featuring dual circular outlets.