Mishimoto MMHOSE-WRX-01BL Blue Silicone Radiator Hose Kit for 01-07 Subaru WRX

Vehicle Fitment

• 2001-2007 Subaru Impreza WRX (EJ25 turbo AWD)
• 2004-2007 Subaru Impreza WRX STI (EJ25 turbo AWD)
• 2005-2006 Saab 9-2X Aero (turbo AWD, shared plumbing)

Features

• Direct OEM-replacement silicone radiator hose kit
• Premium blue silicone with heat-resistant embedded fibers
• Improved heat and pressure tolerance vs. stock rubber hoses
• Helps reduce heat soak and maintains coolant flow under load
• Black/blue finish enhances engine bay aesthetics
• Includes high-quality worm-gear clamps for secure install
• Easy bolt-on installation - no trimming required
• OEM-style routing for correct coolant plumbing fitment
• Backed by Mishimoto Lifetime Warranty

Specifications

• Part Number: MMHOSE-WRX-01BL
• Material: Reinforced silicone with heat-resistant embedded fibers
• Color: Blue
• Application: Radiator/coolant hose replacement
• Compatible Vehicles: Subaru Impreza WRX 2001-2007, WRX STI 2004-2007
• Also fits Saab 9-2X Aero 2005-2006 with shared plumbing
• Includes: (2) Silicone radiator hoses
• Clamps Included: (4) Worm-gear style
• Max Temperature Rating: ~330 °F (~166 °C)

Included Components

• 2x Blue silicone radiator hoses
• 4x Heavy-duty worm-gear clamps
• Mishimoto Lifetime Warranty documentation

Product Description

The **Mishimoto MMHOSE-WRX-01BL Blue Silicone Radiator Hose Kit** is an OEM-style cooling upgrade designed for **2001-2007 Subaru Impreza WRX** and **2004-2007 WRX STI** models with turbocharged engines. Constructed from high-grade blue silicone reinforced with heat-resistant embedded fibers, this hose kit offers improved pressure tolerance and thermal durability compared to aging OEM rubber hoses. Its smooth silicone material helps maintain consistent coolant flow and resist heat soak - especially under sustained spirited driving or track use. ([mishimoto.com](https://www.mishimoto.com/subaru-wrx-impreza-sti-silicone-hose-kit-radiator-01.html?utm_source=chatgpt.com))

This kit includes two blue silicone radiator hoses with four heavy-duty worm-gear clamps for a secure, leak-free installation that follows OEM coolant routing without trimming or modification. The vivid blue finish not only enhances engine bay aesthetics but also signifies a durable performance upgrade for stock and lightly modified turbo Subarus. The **MMHOSE-WRX-01BL** is backed by Mishimoto's Lifetime Warranty, giving you long-term confidence in your cooling system's reliability and performance on the road or track. ([vividracing.com](https://www.vividracing.com/mishimoto-blue-silicone-hose-kit-p-51023bl.html?utm_source=chatgpt.com))