The Audi S4 Radiator by CSF is a high-performance all-aluminum radiator designed with B-Tube technology for Audi S4 models from 1997 to 2002. This advanced cooling solution comes in a sleek satin finish, offering enhanced cooling efficiency for both street and track use.

With over 50 years of experience, CSF has engineered a radiator that is perfect for high horsepower builds and motorsports applications where added cooling is essential. The radiator features a two-row core with CSF’s exclusive B-Tube technology, which is designed to enhance the heat transfer surface area and efficiency. The B-tube design allows for dual liquid laminar flow, providing approximately 15% more heat transfer than conventional tubes. This radiator also utilizes ultra-efficient multi-louvered fins that are meticulously aligned to maximize airflow and heat dissipation. Each radiator is tested for maximum heat rejection efficiency through CSF’s industry-leading wind-tunnel testing methods.

Features

• "Drop-in Fit" requiring no modifications for installation
• Accepts all attaching OEM components, including "quick connect" hoses
• 42mm Dual Core with CSF’s Exclusive B-Tube Technology
• CNC machined brackets and fittings for superior durability
• Smooth satin finish for a polished look
• All-aluminum race style drain plug

The CSF Audi S4 radiator ensures reliable performance and durability, making it the perfect choice for any automotive enthusiast looking to enhance their vehicle. Should you have any questions regarding this product or require further information, please feel free to contact us directly at 512-982-9393 for our Austin, Texas location or 562-981-6800 for our Los Angeles, California location. Additionally, we offer installation and customization services at both of these locations. If you are considering purchasing multiple items, please reach out to us for possible shipping discounts. Visit us onsite where we install directly on premises to ensure a perfect fit every time.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov