CSF Subaru Impreza WRX/STI 2008-2014 High-Performance Radiator (2 Row-42mm)

CSF has over 5 decades of experience manufacturing radiators, so when it comes to keeping your engine cool and your WRX/STI running at its best, a CSF High-Performance All-Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track, this is a must-have for both high-horsepower builds and race vehicles needing added cooling performance in motorsport environments, and represents the more substantial of CSF's two core options for this platform.

The 2-row, 42mm core uses CSF's exclusive B-Tube technology. Rather than a regular oval "O"-shaped tube, CSF uses a specially engineered tube shaped like a "B", carefully formed and brazed over the seam to seal. This increases the heat transfer surface area of the tubes by approximately 15% over regular tubes, delivering the efficiency of two smaller tubes versus one large tube within the same space, and allows CSF to use thinner, lighter aluminium with better cooling efficiency, since this design is actually stronger than normal welded "O"-shaped tubes. Ultra-efficient, multi-louvered fins are precisely aligned to maximise airflow through the core, with fin specifications carefully measured and wind-tunnel tested for maximum heat rejection efficiency. This is a true drop-in fit design requiring no modifications to install, with OE-style brackets all CNC machined and welded for genuine durability.

Works with: OEM mounting points and hose connections. Manual transmission.

Why Choose This Radiator

• 2-row, 42mm core, the more substantial of CSF's two options for this platform
• CSF's exclusive B-Tube core technology, approximately 15% more heat transfer than regular tubes
• CNC-machined, welded OE-style brackets for durable, precise fitment
• Wind-tunnel tested multi-louvered fins for maximum heat rejection
• 100% all-aluminium, TIG-welded construction, eliminating the OEM's plastic tank weak point
• True drop-in fit, no modifications required

Compatibility

• Subaru Impreza WRX Sedan/Hatchback (2008-2014, manual transmission)
• Subaru Impreza STI Sedan/Hatchback (2008-2014, manual transmission)

Note: CSF also offers a lighter-duty 1-Row 31mm version (#7094/#7094B) for this same platform, better suited to purpose-built race or rally applications. This 2-Row 42mm version (#7095) is the recommended choice for most street, track, and tuned builds.