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SKU: 405329 | UPC: 54480407
GrimmSpeed 02-07 Subaru WRX / 04-07 Subaru STi / 02-05 Subaru Impreza Radiator Hose Kit - Red
This GrimmSpeed radiator hose kit replaces factory rubber hoses with durable 4-ply reinforced red silicone hoses on 02-07 Subaru WRX, 04-07 STI, and 02-05 Impreza models. The kit withstands 50 PSI burst pressure and temperatures from -65°F to 350°F for consistent cooling during track days or daily drives. Direct bolt-on design ensures easy upgrade without modifications.
Key Features
- 4-Ply Reinforced Silicone: Handles 50 PSI burst pressure and extreme temperatures from -65°F to 350°F to prevent cracks and bursts.
- Complete 8-Piece Kit: Includes upper and lower radiator hoses, throttle body hose, thermostat housing hose, and bypass hoses for full cooling system replacement.
- Vibrant Red Color: Adds bold under-hood style while maintaining high-visibility for maintenance checks.
- Precision Molded Shape: Matches OEM routing and lengths for seamless fit on EJ25 turbo and non-turbo engines.
- High-Quality Construction: Resistant to coolant, oil, and ozone degradation for long-lasting performance.
Product Notes
- Reuse OEM clamps or source stainless steel clamps for secure installation.
- Clean mating surfaces before install to ensure airtight seals.
- Ships in protective box, weight 2.6 lbs, dimensions 12 x 10 x 6 inches.
Installation Notes
- Professional installation recommended.
- Drain coolant first and allow engine to cool completely.
- Compatible with OEM hardware, no additional brackets required.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2007 | Subaru | Impreza | WRX STI |
| 2007 | Subaru | Impreza | WRX STI Limited |
| 2006-2007 | Subaru | Impreza | 2.5i |
| 2002-2004 | Subaru | Impreza | Outback |
| 2005-2007 | Subaru | Impreza | Outback Sport |
| 2002-2005 | Subaru | Impreza | RS |
| 2002-2004 | Subaru | Impreza | TS |
| 2002-2007 | Subaru | Impreza | WRX |
| 2006-2007 | Subaru | Impreza | WRX Limited |
Why Choose GrimmSpeed?
- Specializes in Subaru performance parts with proven track record.
- Uses premium silicone for durability in demanding conditions.
- Engineered in USA for exact fit and reliable operation.
Frequently Asked Questions
-
Q: Does this fit 2004-2007 STI models?
A: Yes, designed for 2004-2007 Subaru Impreza WRX STI including Limited editions with EJ257 engine. -
Q: What material are the hoses made from?
A: 4-ply reinforced silicone rated for 50 PSI and -65°F to 350°F, far exceeding stock rubber. -
Q: What is the warranty and install time?
A: Backed by GrimmSpeed lifetime warranty against defects, installs in 1-2 hours with basic tools.
Shipping &. Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Secure box 12 x 10 x 6 inches
- Weight: 2.6 lbs
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