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SKU: 405325 | UPC: 56038985
GrimmSpeed 02-07 Subaru WRX / 04-07 Subaru STi / 02-05 Subaru Impreza Radiator Hose Kit - Black
This GrimmSpeed Radiator Hose Kit in black replaces factory rubber hoses on 02-07 Subaru WRX, 04-07 STI, and 02-05 Impreza models with durable 4-ply silicone construction. It delivers consistent cooling performance under high heat and pressure while resisting cracking and bursting common in stock hoses. The kit includes all hoses and clamps for a complete direct-fit upgrade and MPN 405325 ensures exact compatibility.
Key Features
- 4-Ply 65A Silicone Hoses: Withstands 50 PSI burst pressure, far exceeding OEM limits for track or daily driving reliability
- Complete Hose Set: Upper radiator hose, lower radiator hose, overflow hose, and bypass hose included for full replacement
- 8 Black Powder-Coated T-Bolt Clamps: Secure fit with corrosion-resistant finish and easy one-time adjustment
- Direct OEM Replacement: Matches factory routing and lengths with no modifications needed
- Sleek Black Finish: Enhances engine bay appearance while maintaining high-temperature resistance up to 350°F
Product Notes
- MPN 405325 ensures exact fit for listed Subaru models
- Clean hoses before installation to avoid contamination
- Ships in protective packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Drain coolant system prior to removal of OEM hoses
- Compatible with factory radiator and thermostat housing
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?
- Engineered specifically for Subaru EJ25 engines with proven track record
- High-strength materials tested for extreme boost and heat
- Precision-molded for perfect fit and long-lasting performance
Frequently Asked Questions
-
Q: Will this kit fit my 2004 STI with aftermarket intercooler?
A: Yes, it is a direct OEM replacement and clears standard aftermarket intercoolers on 04-07 STI models -
Q: What material are the hoses made from?
A: 4-ply reinforced 65A silicone rated for continuous 350°F and burst pressures over 50 PSI -
Q: Does GrimmSpeed offer a warranty on this kit?
A: Limited lifetime warranty against manufacturing defects when installed correctly
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed at 14 x 10 x 4 inches
- Weight: 2.2 lbs
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