【Premium Material】- Made of high quality glossy black/carbon fiber PP plastic. Light weight, scratch-resistant and wear-resistant, durable and longer service life, no fading with long time exposure 【Features】- Unique shark fin design changes the ordinary exterior, upgrades your car with a sporty look. Give your car a personalized appearance, protect the car from collision and reduce damage 【Easy to Install】- These curved shape rear bumper diffusers are very easy to install without any modification required. Use adhesive tape to stick directly or install with screws. We recommend using screws for reinforcement to avoid falling off 【Compatibility】- This car diffuser can be used on the rear bumper, universal fit for most cars. Note: It has a curvature, please install it on a curvature position at the bottom of the car for perfect fitment 【Package Includes】- 4 x Rear Bumper Diffuser (screws are included), 1 x Adhesive Tape.