GT4 Rear Diffuser Swan neck mounting design for

Swan neck mounting design for more efficient performance

Crank vent hose

Powdercoated in matte black

5 times the production of the OEM rear wing

Steel wire reinforcement wire kit included to support OEM mounts at extreme speeds

GT4 Rear Diffuser Swan neck mounting design forInstallation 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