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Designed for show use and light towing
this design avoids contact with hoses
engineered for 2011-2014 WRX and 2008-2014 STI models
Ideal for Subaru BRZ owners who want a trusted performance boost
sporty carbon fiber look
Boomba Racing Aluminum Coolant Overflow Reservoir Cap Blue Finish 2002-2026 WRX / 2004-2021 STI H&R-InStock Designed for show use andEnhance your Subaru WRX or WRX STI engine bay with the Boomba Racing Aluminum Coolant Overflow Reservoir Cap in a striking blue finish. This premium replacement cap offers a sleek upgrade over the standard OEM yellow plastic unit, adding both style and durability to your cooling system. Designed specifically for 2002 2026 WRX and 2004 2021 WRX STI models, its a perfect fit for enthusiasts seeking a clean, performance inspired look. Crafted 100% in
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