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Looking for aftermarket parts to modify or upgrade your Subaru WRX STI with radiator caps? At Tunersports.com we carry a huge selection of the top name brand performance radiator cap parts and accessories.
 IN STOCK MMRC-13-ONWYMaximize your Subaru's performance with the Mishimoto High-Pressure 1.3 Bar Radiator Cap. When pushing your vehicle under demanding driving conditions, the cooling system becomes highly pressurized, often exceeding the limits of stock caps. This leads to coolant loss into the overflow reservoir, com... Mishimoto High-Pressure 1.3 Bar Radiator Cap - Small - One-Way 2015-2015 Subaru WRX STI Launch Edition 2015-2021 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue 2018-2018 Subaru WRX STI Type RA 2019-2019 Subaru WRX STI S209 $48.62 |