GT4 Rear Diffuser we also offer lowering springs

we also offer lowering springs so you can get your car as low as you want

we create two distinct pressure regions above and below the splitter which sticks out approximately 2-3" from the factory splitter

GT4 1450mm Wing Overview:

because it has no spokes for support

The DBJ 1450mm curved carbon fiber wing for the Cayman GT4 was designed with convenience in mind

GT4 Rear Diffuser we also offer lowering springsInstallation Instructions GT4 Rear Diffuser Overview: A properly designed rear diffuser not only looks great on your car, but is a very efficient way to add downforce. Using CFD software and 3D scans, the DBJ rear diffuser creates a completely flat bottom from the oil pan back to the rear of the car. This flat bottom helps reduce unwanted drag and produces downforce at the rear of the car. Although designed specifically for the 981 GT4, the DBJ