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

CSF Aluminum Radiator for Audi — 2-Row Core with B-Tube Technology High-performance cooling engineered for Audi . CSF leverages over 50 years of radiator expertise to deliver a direct-fit, all-aluminum replacement designed for street, track, and motorsport use. Ideal for high-horsepower builds and vehicles that demand superior thermal management. Key Features 2-row all-aluminum core — optimized balance of cooling capacity and compact packaging for Audi applications. B-Tube Technology — unique "B"-shaped tubes brazed at the seam provide greater strength while allowing thinner, lighter aluminum and improved heat transfer. +15% tube surface area — the B-tube profile increases heat transfer area versus conventional "O" tubes, delivering dual liquid laminar flow for better cooling efficiency. Multi-louvered fins — precision-aligned fins maximize airflow and heat rejection; fin specs are validated in CSF wind-tunnel testing. Durable construction — brazed joints and optimized materials for long life under demanding conditions. Benefits Expect lower operating temperatures, improved engine reliability, and consistent performance under sustained load. The CSF aluminum radiator is a drop-in solution that combines OEM fitment with race-proven cooling technology. Upgrade your Audi's cooling system with CSF's advanced 2-row radiator and experience measurable thermal gains on the street and track.