The Mishimoto silicone radiator hose kit for 1999–2001 Subaru Impreza RS replaces aging rubber hoses with a black five-layer silicone assembly that includes upper and lower radiator hoses plus four worm-gear clamps. Constructed with heat-resistant embedded fibers, the kit improves heat and pressure tolerance while retaining stock routing and fitment for a durable direct replacement upgrade.
Mishimoto 99-01 Subaru Impreza RS 2.5L Black Silicone Hose Kit