Description: This is a popular racing 2pcs rear bumper diffuser kit designed for increasing vehicle aerodynamics, reduce drag and improve fuel economy. These diffusers are crafted from aluminium alloy and anodized in balck for a high quality finish and durability. To functions as diffusing rear air reducing drag, it is a great addition for your vehicle and provides a good racing performance.Features:1. 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 diffuserallows air to travel through the rear bumper to increase vehicle aerodynamics, which reduces drag and increase speedfor 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. Each diffuser is installed using the included stainless steel hardware, and it's very convenient.5. It is suitable for most vehicles such as for Honda, Mitsubishi, Proton, Perodua, Mazda, Nissan, etc.Specifications:Material: Aluminum AlloyColor: BlackTotal Size(L x W): 38.9 x 10.1cm/15.3'' x 3.98''Hole Size: 7.4cm/2.91''Package Weight: approx. 290gFitment: For most vehicles such as for Honda, Mitsubishi, Proton, Perodua, Mazda, Nissan, etcPackage Included:2 x Rear Bumper Diffuser Panels with A Pack of ScrewsNotes:1. Easy to install, but professional installation is highly recommended.2. Please just make sure your rear bumper has enough room to accommodate the diffuser.