SKU: MMHOSE-STI-08BL | UPC: 748354799514
Mishimoto 08-14 Subaru WRX / 08+ STI Silicone Radiator Hose Kit – Blue
Replace aging factory rubber hoses with the Mishimoto Silicone Radiator Hose Kit designed for 2008-2014 Subaru Impreza WRX and 2008+ STI models. This 6-piece kit covers upper and lower radiator hoses, throttle body hose, turbo inlet, turbo outlet, and overflow tank hose for complete cooling system upgrade. Engineered to handle extreme boost pressures and temperatures, it delivers consistent coolant flow to prevent overheating during track days or spirited drives.
Key Features
- 4-Ply Silicone Construction: Rated for -49°F to 350°F with 50+ PSI burst pressure to resist cracking and swelling under high heat and pressure
- DuraCool™ Liquid Silicone: Proprietary formula increases elasticity and longevity compared to standard silicone for reliable performance
- Direct OEM Replacement: Precision-molded hoses match factory routing with no cutting or modifications required
- Stainless Steel Clamps: Includes T-bolt clamps for secure, vibration-resistant connections
- Vibrant Blue Color: Laser-etched logos enhance engine bay appearance while maintaining full functionality
Product Notes
- Verify engine code EJ255 or EJ257 for compatibility
- Pair with high-performance coolant for optimal results
- Packaged in protective box to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Estimated install time 1-2 hours with basic tools
- All necessary clamps and hardware included for plug-and-play fit
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2014 | Subaru | Impreza | WRX |
| 2010-2014 | Subaru | Impreza | WRX Limited |
| 2009-2014 | Subaru | Impreza | WRX Premium |
| 2008-2014 | Subaru | Impreza | WRX STI |
| 2011-2014 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
| 2015-2021 | Subaru | WRX STI | Base |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2015-2021 | Subaru | WRX STI | Limited |
| 2020 | Subaru | WRX STI | S209 |
| 2016 | Subaru | WRX STI | Series.HyperBlue |
| 2018 | Subaru | WRX STI | Type RA |
Why Choose Mishimoto?
- Direct-fit cooling components tested on dyno and track
- Hand-crafted in the USA with aerospace-grade materials
- Lifetime warranty covers defects in materials and workmanship
Frequently Asked Questions
- Q: Will this kit fit my 2015-2021 STI?
A: Yes, designed for all 2008+ STI models including Base, Limited, Launch Edition, S209, Series.HyperBlue, and Type RA with EJ257 engine - Q: What material are the hoses made from?
A: 100% liquid silicone with 4-ply polyester braid reinforcement for superior heat and pressure resistance - Q: What is the warranty and install process?
A: Lifetime warranty from Mishimoto. Direct bolt-on replacement using included clamps, no custom fabrication needed
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure Mishimoto retail box
- Weight: 3.1 lbs
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