SKU: grm405325 GrimmSpeed Radiator Hose Kit for Impreza WRX, STI - Black

GrimmSpeed Radiator Hose Kit for Impreza WRX, STI - Black

Ensure your vehicle's cooling system performs at its best with GrimmSpeed Silicone Radiator Hoses. Designed to replace aging, dry-rotted OEM coolant hoses, these durable upgrades prevent cracks and leaks, helping you avoid unexpected breakdowns whether you're on the highway or the racetrack. Engineered for reliability, these hoses are perfect for daily drivers and high-performance builds, withstanding increased temperatures and pressures without bulging or leaking.

Constructed with a 5-ply silicone design and fiber reinforcement between layers, these radiator hoses maintain their shape and durability for the life of your vehicle. Each kit is reverse-engineered from factory hoses to ensure a perfect fit and easy installation, with no trimming or kinking required. Available in black or red with the iconic GrimmSpeed logo, these kits include an upper hose, a lower hose, and four high-torque stainless steel clamps for secure installation across various Subaru applications.

Backed by a Lifetime Warranty, GrimmSpeed Silicone Radiator Hoses are the ultimate upgrade for reliability and performance, ensuring you never have to buy another set of radiator hoses again.

Important Note About Vehicle Fitment

Our vehicle fitment selection tool is currently in development, and we’re working hard to ensure the accuracy of our data. While most models and trims should be correct, there may be some instances where fitment information is incomplete or an alternative option is available.

If you’re unsure about the compatibility of a part with your vehicle, please don’t hesitate to reach out to us for assistance. Our team is here to help you find the perfect fit!