IAGPerformance
IAG Silicone Radiator Hose Kit for Subaru WRX 2008-14, STI 08-21, Black
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Highlights
- IAG SILICONE RADIATOR HOSE KIT - When it’s time to replace the factory radiator hoses on your 2008-2014 WRX or 2008-2021 STI, the IAG Silicone Radiator Hose Kit offers a dependable, long-lasting solution. Factory rubber hoses degrade with age, often developing cracks, bulges, or leaks that can compromise your cooling system. Made from high-quality materials and designed for durability, the IAG kit is built to withstand extreme heat and wear, offering performance and reliability well beyond OEM.
- HEAVY DUTY CONSTRUCTION FITS - Constructed from 4-ply reinforced silicone and measuring 5mm thick, the IAG Silicone Radiator Hose Kit is built to handle extreme heat, resist chemical breakdown, and outlast standard rubber hoses. Available in black, red, or blue, each hose features a pre-formed shape for a perfect fit that won’t pinch or collapse under pressure. Tough enough for competition use, these hoses provide reliable cooling performance on the street or at the track.
- FACTORY FIT - The IAG Silicone Radiator Hose Kit is a direct replacement for the upper and lower OEM radiator hoses on the 2008-2014 WRX or 2008-2021 STI, with pre-formed bends that fit just like factory. Designed for a precise fit at the radiator inlet, outlet, and engine ports, these hoses install easily with no modifications required. The kit also comes with stainless steel clamps for a strong, reliable seal.
- FITMENT - Fits Subaru 2008-2014 WRX and 2008-2021 STI
- INCLUDES - (x1) Upper Radiator Hose, (x1) Lower Radiator Hose, (x1) Clamp Kit
Why You'll Love It
- Replaces aging factory rubber hoses that crack, bulge, or leak over time
- Constructed from 5mm thick 4-ply reinforced silicone to resist heat and chemical breakdown
- Pre-formed bends ensure a direct fit at engine ports without pinching or collapsing
- Includes stainless steel clamps to maintain a tight seal under street or track use
- Direct fitment requires zero modifications during installation
Pros
- +Durable 4-ply reinforced 5mm silicone build
- +Pre-formed shape prevents collapse under pressure
- +Direct replacement with no modifications needed
- +Comes with stainless steel hose clamps
Cons
- -Only fits specific 2008-2021 WRX and STI models
- -Contains only the upper and lower radiator hoses
Detailed Review
The IAG Silicone Radiator Hose Kit is a direct cooling system upgrade designed for select Subaru vehicles. Over time, standard rubber hoses degrade from exposure to heat and engine fluids, often developing bulges, cracks, or leaks. This kit replaces both main factory lines with heavy-duty silicone alternatives, making it a reliable solution for drivers maintaining or refreshing their cooling setup.
Durability is the main focus of these hoses. Built with 5mm thick, 4-ply reinforced silicone, they are engineered to handle extreme heat and resist chemical breakdown far better than standard rubber. The material is tough enough for track or competition demands while remaining completely dependable for daily street driving.
Installation is straightforward because the hoses feature pre-formed shapes molded to match factory specifications. They route precisely to the radiator inlet, outlet, and engine ports without requiring trimming or modification. The reinforced structure prevents pinching or collapsing under cooling system pressure, and the included stainless steel clamps provide a secure, leak-free seal.
Compatibility is strictly limited to 2008-2014 Subaru WRX and 2008-2021 Subaru STI models. The package includes only the upper hose, lower hose, and clamps, so anyone needing auxiliary or heater hoses will have to source those separately.
Verdict: This hose kit is a smart, direct-fit replacement for Subaru owners looking to replace aging rubber lines with heat-resistant, reinforced silicone. It offers dependable cooling performance for both daily street driving and track conditions.
Specifications
- Material: 4-ply reinforced silicone
- Wall Thickness: 5mm
- Hardware Included: Stainless steel clamps
- Vehicle Fitment: 2008-2014 Subaru WRX, 2008-2021 Subaru STI
- Included Pieces: Upper hose, lower hose, clamp kit
Who Should Buy It
A great fit if you:
- Drive a 2008-2014 WRX or 2008-2021 STI with worn, cracking factory rubber hoses
- Need heavy-duty silicone hoses that resist collapse under track or competition pressure
- Want a direct-fit cooling upgrade that installs without custom modifications
Consider something else if you:
- Drive a Subaru model or model year outside the 2008-2014 WRX and 2008-2021 STI range
- Need a full engine hose replacement set that includes more than just the upper and lower radiator lines
FAQ
What vehicles are compatible with this hose kit?
This kit is designed specifically for the 2008-2014 Subaru WRX and the 2008-2021 Subaru STI.
What is included in the package?
The kit comes with one upper radiator hose, one lower radiator hose, and a stainless steel clamp kit.
Are modifications required for installation?
No. The hoses feature pre-formed factory bends that fit directly to the radiator inlet, outlet, and engine ports with no modifications needed.
How thick are the silicone hoses?
The hoses are 5mm thick and constructed with 4-ply reinforced silicone to resist heat, chemical wear, and collapsing under pressure.
Photos
Product Specs
| Specification | Details |
|---|---|
| Item Weight | 2 pounds |
| Material Type | Silicone |
| Color | Black |
| Brand Name | IAG Performance |
| UPC | 887753979841 |
| Manufacturer | IAG Performance |
| Unit Count | 1 Count |
| Manufacturer Warranty Description | 1 Year Manufacturer |
| Included Components | (x1) Clamp Kit, (x1) Lower Radiator Hose, (x1) Upper Radiator Hose |
| Best Sellers Rank | #323,124 in Automotive (See Top 100 in Automotive) #657 in Automotive Replacement Radiator Hoses |
| ASIN | B0FKHG6DB6 |
| Brand | IAG Performance |
| Material | Silicone |
| Number of Packs | 2 |
| Set Name | IAG Silicone Radiator Hose Kit |
| Item Highlight | Handles extreme heat, direct OEM fit, 4-ply reinforced silicone, 5mm thick, includes upper and lower hoses and clamps See more |
