Other exterior changes include underbody diffusers and the rear diffuser shared with the 488 GTE. This is especially true for Linear slot diffuser and 'perf' diffusers. A new rear diffuser improves downforce and also includes additional rear cooling ducts. The car has a flat underbody and a rear diffuser for improved downforce. Carbon appearance package includes alternate front splitter and diffuser shapes. A simple centrifugal compressor has four components&colon; inlet, impeller/rotor, diffuser, and collector. The compressor is made up of an impeller, a diffuser and a volute housing. The ground effects package includes a front splitter, rocker extensions, and a rear diffuser. Each stage includes an impeller and diffuser. At the rear, the V600 gets a custom diffuser and quad exhaust tips. There is a suction peak at the transition of the flat bottom and diffuser. The low-emission combustor has a case with integrated OGV diffuser for weight reduction. A diffuser (divergent duct) section converts the velocity energy to pressure energy. A diffuser also reduces bubble noise. The car had a tidy form with a raised nose and a drooping rear diffuser.