Spectra Premium Spectra Supercharger Intercooler 4401-2401 Manufactured with the highest quality components to ensure product quality and durability Built with high density multi-louvered fins for maximum cooling efficiency All units are leak tested to ensure a damage-free unit at installation Engineered to stringent tolerances based on in-depth knowledge of the OE part it is designed to replace OE design to ensure exact fit, form, and function for an easy installation