The radiator is designed and specifically engineered to maximize cooling efficiency by up to 35%, boost engine functions and protect your car from overheating. It's a lightweight construction, 100% brazed aluminum, polished end tank. The CoolingSky radiator showed a 25degF drop in outlet temp compared to the OEM. Every CoolingSky Performance Radiator is a direct OEM fit, making installation effortless, no cutting or modification is required.