A failed fan can result in overheating and potential engine damage. Protect your flat four with the all new Mishimoto direct - fit aluminum fan shroud engineered specifically for the 2001 - 2007 Subaru WRX and STI. The Mishimoto Subaru fan shroud kit includes pre - wired factory pigtails for a plug - and - play connection and true direct fit, which eliminates the need to splice into your body harness. This fan shroud is constructed from lightweight aircraft - quality TIG - welded aluminum and has a brushed finish. It utilizes two high - flow 12 fans, which are highly efficient for reducing engine - bay heat and coolant temperatures. The Mishimoto Subaru fan shroud also includes provisions for mounting the factory overflow bottle to the shroud for a hassle - free installation. This fan shroud kit is covered by the Mishimoto lifetime warranty, so you know quality is guaranteed.