Superior Cooling for Your Audi B8 S4 & S5

Engine heat is the enemy of performance. The CSF High-Performance All-Aluminum Radiator is the ultimate cooling solution for your Audi B8 S4 and S5. Whether you are pushing your vehicle on the track or enjoying spirited street driving, this radiator provides the thermal capacity needed to prevent overheating and maintain peak engine efficiency.

Advanced B-Tube Technology

At the heart of this radiator is CSF’s exclusive B-Tube technology. Unlike standard "O"-shaped radiator tubes, these specially engineered "B-tubes" increase the surface area for heat dissipation by approximately 15%. This design allows for the use of thinner, lighter aluminum material without sacrificing structural integrity, resulting in a radiator that is both high-performing and efficient.

• 2-Row Core: Optimized for maximum coolant flow and heat transfer.
• All-Aluminum Construction: Eliminates plastic end tanks that are prone to cracking under high pressure.
• Direct Fitment: Engineered to drop into the factory location for a seamless installation.
• Motorsports Proven: Designed to handle high-horsepower demands and extreme ambient temperatures.

By upgrading to this CSF unit, you ensure your engine remains within its optimal operating temperature range, protecting your investment and ensuring consistent power delivery. Experience the difference in cooling performance with this premium upgrade from GGCRACING.