Koyo VH091662 Hyper V-Core Aluminium Racing Radiator – Subaru WRX / STI / Legacy GT / Forester XT
Koyo VH091662 Hyper V-Core Aluminium Racing Radiator – Subaru WRX / STI / Legacy GT / Forester XT
SKU: SKU: VH091662
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Koyo VH091662 Hyper V-Core Aluminium Racing Radiator – Subaru WRX / STI / Legacy GT / Forester XT
Part Number: VH091662 | Fitment: Subaru WRX, WRX STI, Legacy GT & Forester XT – 2003–2021
Coore is the authorised Australian distributor for Koyo performance radiators — so when you buy here, you're getting genuine Koyo product backed by local stock and support.
The Koyo Hyper V-Core 36mm Series represents the pinnacle of Koyo's all-aluminium radiator lineup. Developed specifically for high-heat, space-constrained applications where factory inlet/outlet positioning rules out a conventional N-FLO design, the Hyper V-Core uses a specially engineered fin and tube pitch geometry that dramatically increases surface area without compromising airflow. The result is a radiator that runs cooler, fits cleaner, and outlasts the OEM unit — all with a direct bolt-in installation.
Vehicle Fitment
| Vehicle | Chassis | Years |
|---|---|---|
| Subaru WRX | GH / GR | 2008–2014 |
| Subaru WRX | VA | 2015–2021 |
| Subaru WRX STI | GR | 2008–2014 |
| Subaru WRX STI | VA | 2015–2021 |
| Subaru Legacy GT / Liberty GT | BL / BP | 2003–2009 |
| Subaru Forester XT Turbo | SH | 2009–2013 |
Specifications
| Part Number | VH091662 |
| Series | Hyper V-Core 36mm |
| Construction | All-aluminium, Nocolok brazed |
| Fitment Type | Direct OEM replacement – bolt-in, no modification required |
| Core Width | 26.5" (673mm) |
| Core Height | 13.5" (343mm) |
| Overall Width | 28" (711mm) |
| Overall Height | 19" (483mm) |
| Core Thickness | 36mm |
| Inlet / Outlet Diameter | Ø38mm (top & bottom) |
| Weight | 6 kg |
Key Features
- ✅ Hyper V-Core fin & tube geometry — maximises surface area and airflow in tight engine bays
- ✅ Nocolok furnace brazed — tubes, fins, headers, and brackets bonded as one unit for vibration and debris resistance
- ✅ Billet filler neck — precision-machined for strength, durability, and a positive seal
- ✅ OE-specific mounting points — retains factory fan shroud, inlet/outlet hose positions, and top/bottom mounting pins
- ✅ Heliarc hand-welded — every unit individually welded for the strongest possible aluminium-to-aluminium bond
- ✅ Direct bolt-in fitment — no cutting, drilling, or fabrication required
Installation Notes
- WRX models with 13mm turbo return pipe: Trim the return pipe as required. The optional coolant port uses an M14-1.25 thread.
- Automatic transmission vehicles: Compatible, however an external transmission oil cooler is required — sold separately.
Coore is the authorised Australian distributor for Koyo performance radiators. Australian stock — fast shipping Australia-wide.
