Features: 1.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 increa 2.With light weight design, It has a similar effect as having a rear spoiler, so you can improve fuel economy 3.Each diffuser is installed using the included stainless steel hardware, and it's very convenient 4.Finely crafted from aluminum alloy and CNC machine cut for precision, it is of high quality and solid construction for a long service time 5.With light weight design, It has a similar effect as having a rear spoiler, so you can improve fuel economy Specification: Description: _x000D_ 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. _x000D_ _x000D_ _x000D_ Features: _x000D_ 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. _x000D_ 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. _x000D_ 3. With light weight design, It has a similar effect as having a rear spoiler, so you can improve fuel economy. _x000D_ 4. Each diffuser is installed using the included stainless steel hardware, and it's very convenient. _x000D_ 5. It is suitable for most vehicles such as for Honda, Mitsubishi, Proton, Perodua, Mazda, Nissan, etc._x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: Aluminum Alloy _x000D_ Color: Black _x000D_ Total Size(L x W): 38.9 x 10.1cm/15.3'' x 3.98'' _x000D_ Hole Size: 7.4cm/2.91'' _x000D_ Package Weight: approx. 290g _x000D_ Fitment: For most vehicles such as for Honda, Mitsubishi, Proton, Perodua, Mazda, Nissan, etc _x000D_ _x000D_ _x000D_ Package Included: _x000D_ 2 x Rear Bumper Diffuser Panels with A Pack of Screws _x000D_ _x000D_ _x000D_ Notes: _x000D_ 1. Easy to install, but professional installation is highly recommended. _x000D_ 2. Please just make sure your rear bumper has enough room to accommodate the diffuser. PackageList: