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Cobb STI Silicone Radiator Hoses – 08-14 WRX – 08-21 STI

Cobb STI Silicone Radiator Hoses – 08-14 WRX – 08-21 STI


Reinforced silicone hoses have a higher temperature operating range, are more resistant to chemical reactions, and maintain their flexibility through a longer lifespan than factory rubber hoses. They happen to look much better, too.

In stock



Replace your old, dried out factory radiator hoses with the COBB Tuning Silicone Radiator Hoses. Constructed of 3-ply reinforced silicone, these hoses will not only look better but also last longer. Silicone hoses have a higher operating temperature range, making them a must for any car that may see extended periods of aggressive driving or track time. COBB branding is found at both ends of the hose.


Subaru Silicone Radiator Hoses WRX 2008-2014, STI 2008-2021

  • 3-Ply Reinforced Silicone
  • COBB Branding
  • Increased Durability Over Stock
  • Higher Operating Temperature Range


Additional Information

Weight 2.2 lbs
Dimensions 14 × 8.1 × 7.4 in


  • 2008-2014 WRX
  • 2008-2021 STI


Installation Guide

Install Guide