Features1- Finely crafted from aluminum alloy and CNC machine cut for precision, it is of high quality and solid construction for a long service time.2-The rear bumper diffuser allows air to travel through the rear bumper to increase vehicle aerodynamics, which reduces drag and increase speed for the ultimate car racing. It is actually a diffuser that is wind tunnel designed and tested, you could increase rear down force with a rear diffuser.3-With light weight design, It has a similar effect as having a rear spoiler, so you can improve fuel economy.4-It is suitable for most vehicles such as for , , Proton, Perodua, , , etc.specificationMaterial: Aluminum AlloyColor: BlackTotal Size(L x W): 390 * 103mmHole Size:84mm 74mm 84mmFit For: For most vehiclesPackage Contents:2 * diversion diffusion panels1 pack of screwsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.