CSF Radiator for WRX/STI 2-Row Aluminum Core with B-Tube Technology

CSF Radiator for WRX/STI — 2-Row Aluminum Core with B-Tube Technology Brand: CSF — engineered cooling for over five decades. The CSF 2-Row All-Aluminum Radiator for WRX/STI delivers race-proven thermal management for street, track, and high-horsepower builds. Why Choose This Radiator? B-Tube Technology: Patented "B" shaped tubes increase heat-transfer surface area by ~15% vs. conventional tubes for superior cooling in the same package. Lightweight, Durable Construction: Thinner, high-strength aluminum tubes are seam-brazed for toughness without added weight. 2-Row Core Design: Optimized balance of capacity and airflow for WRX/STI engines under heavy load and track conditions. Multi-Louvered Fins: Precision-aligned fins and wind-tunnel tested fin specs maximize airflow and heat rejection efficiency. Performance Benefits Expect lower operating temperatures, improved cooling stability during spirited driving, and better protection for turbocharged WRX/STI engines. Ideal for high-performance upgrades, motorsports applications, and reliability-focused street builds. Fitment & Quality Direct-fit replacement for WRX/STI applications All-aluminum construction resists corrosion and improves longevity Manufactured and tested to CSF's strict quality standards Upgrade your cooling system with the CSF Radiator for WRX/STI and keep your engine running cooler, longer, and more reliably—on the street or at the track.