Mishimoto Silicone Hose Kit

Fitment: Subaru WRX / WRX STI 2008–2021

Part #: MMHOSE-STI-08BK

Overview

The Mishimoto Silicone Hose Kit is a comprehensive upgrade designed specifically for Subaru WRX and WRX STI models from 2008 to 2021. This kit replaces the factory rubber hoses with high-quality silicone components, providing enhanced durability, heat resistance, and a more reliable cooling system. Crafted for both daily drivers and performance enthusiasts, these hoses help maintain optimal engine temperatures and support the vehicle’s overall reliability during spirited driving or extended use. The kit is an excellent choice for those seeking a maintenance upgrade or a performance-oriented enhancement to their cooling system. Designed with precision and quality materials, the Mishimoto Silicone Hose Kit ensures a secure fit and long-lasting performance. The hoses are engineered to withstand higher temperatures and pressures than standard rubber hoses, reducing the risk of leaks and failures. Whether you’re upgrading for peace of mind or preparing your vehicle for more aggressive driving, this kit offers a straightforward, effective solution to improve your Subaru’s cooling system.

Key Features

This silicone hose kit features a durable construction and a thoughtful design to enhance your vehicle’s cooling performance. Key features include:

• High-quality silicone material for superior heat and pressure resistance
• Reinforced with embedded fibers for added strength and durability
• Custom-molded for a precise fit on Subaru WRX/STI models from 2008-2021
• Includes all necessary hoses for a complete upgrade
• Resistant to cracking, splitting, and swelling over time
• Helps maintain consistent engine temperatures under various driving conditions
• Easy installation with no modifications required

Construction & Design

The Mishimoto Silicone Hose Kit is constructed from multi-ply silicone with embedded fibers, ensuring maximum flexibility and strength. The hoses are designed with smooth internal surfaces to promote optimal coolant flow and reduce turbulence. The reinforced design prevents expansion under high pressure, maintaining integrity over the lifespan of the vehicle.

Installation & Fitment

Installation involves removing the factory rubber hoses and replacing them with the silicone counterparts. The hoses are custom-molded to match the OEM routing, ensuring a secure and leak-free fit. Basic mechanical skills and standard hand tools are sufficient for installation, which can typically be completed within an hour.

What’s Included

The kit includes all the hoses necessary to replace the factory components, along with clamps for a secure fit. Specific hardware or additional parts are not required for installation.

Ideal For

This upgrade is ideal for Subaru WRX and WRX STI owners looking to improve cooling system reliability, support higher-performance applications, or perform routine maintenance with a premium component. It’s suitable for both daily driving and track use, providing peace of mind and enhanced durability.