ADD THE NEEDED TOUCH THAT GM LEFT OFF! REAR LOWER FACIA DIFFUSERS FOR THE C7 CORVETTE (ALL) IN CARBON FIBER DESIGN (HCF). COME COMPLETE WITH THE NEEDED MOUNTING HARDWARE AND THE NECESSARY TEMPLATES FOR INSTALLATION. IT IS RECOMMENDED THAT YOU WATCH THE "HOW TO INSTALL" VIDEO ON YOU TUBE WITH SCOTT MAXWELL FROM 'THE CORVETTE CHANNEL' OR CONSULT WITH A PROFESSIONAL.