Maximize Cooling Efficiency for Your Subaru WRX/STI

The Subaru WRX and STI are known for their performance capabilities, but they also generate significant heat under load. The CSF 31mm High-Performance Aluminum Radiator is designed to keep your engine temperatures stable, even during the most demanding track sessions. This radiator replaces the factory unit with a high-efficiency aluminum core that significantly improves heat dissipation.

Why Choose CSF Cooling?

CSF’s reputation for excellence is built on decades of cooling system innovation. This radiator utilizes their signature B-Tube technology, which provides a more efficient cooling path compared to traditional oval-tube radiators. By optimizing the internal flow and increasing the surface area, this unit ensures your coolant stays cooler for longer, preventing power-robbing heat soak.

• 31mm Core: Provides increased fluid capacity and cooling surface area.
• B-Tube Design: Enhances thermal efficiency through improved heat transfer.
• Durable Construction: All-aluminum design for long-lasting reliability.
• Direct Fit: Designed for an easy installation in the factory mounting points of your WRX or STI.

Whether you are running a stock setup or a highly modified engine, this radiator is an essential upgrade for any enthusiast. Don't let high temperatures limit your performance on the street or the track. Trust your cooling needs to the experts at CSF and get your parts at GGCRACING.