The Mishimoto 15-20 BMW F8X M3/M4 Performance Air-to-Water Intercooler Power Pack - Frozen Dark Blue is a high-performance intercooler upgrade designed for maximum power gains in BMW F8X M3/M4 vehicles. The power pack includes a larger intercooler core, a larger heat exchanger, and a larger fan shroud to maximize cooling efficiency. The intercooler core is constructed with a bar-and-plate design for superior heat dissipation, and the intercooler is available in a Frozen Dark Blue finish for a unique look. The power pack also includes a Mishimoto silicone hose kit and all necessary hardware for a hassle-free installation. The Mishimoto 15-20 BMW F8X M3/M4 Performance Air-to-Water Intercooler Power Pack - Frozen Dark Blue is the perfect upgrade for those looking to maximize the performance of their BMW F8X M3/M4.