Corvette Front Fender Vents 14-17 Chevrolet Corvette TrueFit Fiberglass Manta Ray. Icon Composites is proud to introduce their TrueFit line of products. TrueFit is made in the USA and carefully crafted to the highest standards. Each piece goes through a rigorous quality control process to produce a true OEM feel. All TrueFit pieces come with a signature grey primer coating to make prep work a breeze.