SKU: MMHOSE-SUBJ-INT4BK | UPC: 748354809756
Mishimoto 04-07 Subaru WRX STI (STI only) JDM Black Silicone Intercooler Hoses
Mishimoto silicone intercooler hoses replace stock rubber lines on 2004-2007 Subaru Impreza WRX STI models. Built with high-grade silicone and heat-resistant embedded fibers these hoses withstand extreme temperatures and boost pressures up to 50 psi. The smooth interior promotes unrestricted airflow to the intercooler for noticeable power improvements while maintaining exact OEM fitment.
Key Features
- High-Grade Silicone Construction: Combined with embedded aramid fibers for durability under 350F continuous heat and bursts over 500F
- Pressure Handling: Rated for 50 psi maximum burst pressure far exceeding stock hoses
- Smooth Interior Bore: Reduces turbulence and increases volumetric airflow efficiency to the intercooler
- Direct OEM Fitment: No modifications required uses factory mounting points and clamps
- Black Finish: Heat-resistant DuraShine color matches engine bay aesthetics
Product Notes
- Fits EJ257 turbocharged STI engines only not standard WRX models
- Complete kit includes all intercooler pipes from turbo to intercooler
- Ships ready for installation with stainless steel clamps
Installation Notes
- Professional installation recommended.
- Direct bolt-on replacement takes 1-2 hours with basic tools
- Reuse OEM clamps or use included hardware for secure fit
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2007 | Subaru | Impreza | WRX STI |
| 2007 | Subaru | Impreza | WRX STI Limited |
Why Choose Mishimoto?
- Proven track record in motorsports including rally and drift applications
- Engineered and tested in controlled dyno conditions
- Lifetime warranty against defects on all silicone hoses
Frequently Asked Questions
- Q: Will this fit non-STI WRX models?
A: No this kit is designed specifically for 2004-2007 Impreza WRX STI with EJ257 engine. WRX models use different routing. - Q: What material is used and color options?
A: 4-ply reinforced silicone in black. Blue and red available under separate part numbers MMHOSE-SUBJ-INT4BL and MMHOSE-SUBJ-INT4RD. - Q: What is the warranty and install difficulty?
A: Mishimoto offers a lifetime warranty. Installation is straightforward as a direct replacement with no fabrication needed.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective retail box 14in x 12in x 4in
- Weight: 2.6 lbs
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