Factory Price Koyo Aluminum Racing Radiator Manual Transmission 2003-2007 WRX / 2004-2007 STI

Description

Enhance your Subaru WRX or WRX STI’s cooling performance with the Koyo Aluminum Racing Radiator, designed for 2003-2007 manual transmission models. This premium radiator is a direct factory replacement, engineered to deliver superior temperature control and durability for spirited driving and racing conditions.

Featuring a thicker core and an advanced fin design, the Koyo radiator improves coolant flow and heat dissipation, helping your engine run cooler under demanding conditions. Manufactured from aircraft-quality aluminum and assembled with high-grade Heli-arc welding, it ensures long-lasting strength and leak resistance. Note that early WRX models without a radiator cap require a different radiator, and some trimming of the upper radiator hose may be necessary for fitment.

Ideal for Subaru enthusiasts seeking reliable, high-performance cooling upgrades, this radiator fits WRX and WRX STI models from 2003 to 2007 with manual transmissions. Trust Subimods for quality Subaru parts and upgrade your cooling system today to keep your engine running at its best.