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SKU: MMHOSE-SUB-INT4BK | UPC: 748354809787
Mishimoto 04-07 Subaru WRX STI (STI only) USDM Black Silicone Intercooler Hoses
Mishimoto silicone intercooler hoses replace the factory rubber hoses on 2004-2007 Subaru Impreza WRX STI USDM models including the 2007 STI Limited. Built with high-grade silicone and heat-resistant embedded fibers these hoses manage extreme boost pressures and turbo temperatures. The smooth interior boosts airflow to the intercooler for reliable power gains while matching OEM routing for a straightforward upgrade.
Key Features
- 4-Ply Silicone Construction: Combines high-grade silicone with embedded aramid fibers to resist cracking under high heat up to 350°F and boost over 40 psi.
- Smooth Interior Lining: Reduces turbulence and restriction for 15% more airflow compared to stock hoses improving throttle response and turbo spool.
- Direct OEM Fitment: Precision molded to match factory dimensions and bend angles for bolt-on installation without cutting or adjustments.
- Black Reinforced Finish: Durable powder-coated look resists fading and abrasion while complementing engine bay aesthetics.
- Pressure Tested Design: Burst tested to 100 psi ensuring dependability during aggressive driving or track use.
Product Notes
- Complete kit includes all intercooler hoses for turbo-to-intercooler and intercooler-to-throttle body pipes.
- Clean with mild soap and water avoid petroleum-based cleaners to maintain material integrity.
- Packaged in reinforced box to prevent damage during transit.
Installation Notes
- Professional installation recommended.
- Reuse OEM spring clamps or upgrade to stainless T-bolt clamps for best results torque to 5 Nm.
- 30-45 minute install with basic hand tools no additional hardware required.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2007 | Subaru | Impreza | WRX STI |
| 2007 | Subaru | Impreza | WRX STI Limited |
Why Choose Mishimoto?
- Proven leader in cooling and intake upgrades for Subaru enthusiasts worldwide.
- Every hose undergoes rigorous dyno and burst testing for real-world durability.
- Engineered in the USA with global materials for exact vehicle-specific fit.
Frequently Asked Questions
-
Q: Will these hoses fit JDM STI models or 2008+ STI?
A: Designed exclusively for 2004-2007 USDM Impreza WRX STI including STI Limited JDM or later models require different kits due to piping changes. -
Q: What makes the material different from stock hoses?
A: 4-ply reinforced silicone outperforms factory rubber by handling 4x the heat and pressure without swelling or delamination. -
Q: Is there a warranty on these hoses?
A: Backed by Mishimoto lifetime warranty against manufacturing defects when installed and maintained properly.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed 14 x 11 x 5 inches
- Weight: 2.2 lbs
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