FITMENT: For Universal Fit for Most Car and SUV Please Check the Size in the picture to make sure it fit perfectly for your car before replace an order, DESCRIPTION Made of high Quality Hard Plastic, not easy to break. Color: Black Size: 127.8cm x 13.8cm = 50.31" x 5.43" (LxW) (check picture for more detail) Reduce Air Resistance This diffuser designed to increase a vehicle's aerodynamic performance. Reduces car's drag about 1.6% and increases down force. Reduce the airflow into the bottom, improve the steady of vehicle during fast driving. Excellent Appearance and improve the sporty appearance for your car. Add much more aggressive to the rear end. Need to drill the hole to install this diffuser for more supported NOTE Please keep a distance between the rear bumper lip and the exhaust pipe, so as not to block the exhaust pipe, preventing the exhausted gas from burning the rear lip. PACKAGE INCLUDE 1PCS Diffuser Screw is Included