CSF Aluminum Radiator for Honda RSX 2-Row Core with B-Tube Technology

CSF Aluminum Radiator for Honda RSX — 2-Row Core with B-Tube Technology Upgrade cooling performance on your Honda RSX with CSF’s all-aluminum, high-performance radiator. Backed by over five decades of engineering, this radiator is built for street use and track duty — delivering reliable temperature control for high-horsepower builds and motorsports applications. Why choose CSF B-Tube Radiator? Innovative B-Tube design: Unique "B" shaped tubes increase heat-transfer surface area by ~15% versus conventional oval tubes, enabling superior cooling in a compact 2-row core. Lightweight, stronger construction: Seam-brazed B-tubes allow thinner aluminum walls without sacrificing strength, reducing weight while improving efficiency. Dual liquid laminar flow: B-tubes create two internal flow channels per tube, improving coolant distribution and thermal rejection. Engineered fins: Multi-louvered fins are precisely aligned and wind-tunnel tested to maximize airflow and heat rejection for the RSX application. Track-ready durability: All-aluminum construction resists corrosion and endures hard use under sustained high temperatures. Whether you’re building a daily driver, a weekend warrior, or a dedicated race car, the CSF Aluminum Radiator for Honda RSX delivers measurable cooling gains and dependable performance. Replace your OE radiator with a proven upgrade designed for efficiency, durability, and fitment.