Features: Matte Black Finish Made of high quality ABS material Stable performance, high reliability, a good choice. Help to Improve Airflow in the Undercarriage. Stimulate Airflow in the Integrated Diffuser by Redirecting the Rear Arflow in a Linear Direction. Boost the Vehicle’s Aerodynamics as a Result of a Reduction in Turbulent Air at the Rear End. The Diffusers Act to Direct Fast-Moving Air Away from the Undercarriage as it Decelerates and Expands. Easy to install.Direct Bolt-On Installation. Fitment: For 2014-2019 Chevrolet Corvette C7 ALL Models Package Includes: 4 pcs Rear Bumper Diffuser Fins ( Left & Right ) w/Hardware