The Mishimoto 2015-2020 BMW F80 M3/M4 Intercooler Pipe Kit SMB is a direct-fit, high-performance intercooler pipe kit designed specifically for the 2015-2020 BMW F80 M3/M4. This kit includes two aluminum intercooler pipes, four silicone couplers, and all necessary hardware for a quick and easy installation. The pipes feature mandrel-bent aluminum construction for maximum flow and are designed to replace the stock plastic pipes. The silicone couplers are designed to resist heat and provide superior durability and longevity. This kit is designed to provide improved performance and a more efficient cooling system.