CSF Toyota Supra A90/A91 High-Performance Heat Exchanger

CSF #8154 High-Performance Heat Exchanger is a front-mounted cooling upgrade developed for the 2020+ Toyota GR Supra A90/A91 equipped with the BMW-sourced B58 Turbocharged 3.0L Inline-Six engine. It is designed to improve the thermal performance of the factory liquid-to-air charge-air cooling system, particularly under sustained high-load and track driving conditions.

The system uses a 2-Row, 42mm Ultra-High-Performance Core featuring CSF's exclusive B-Tube Technology. This larger core design provides increased cooling capacity compared with the OEM 25mm 1-row core, helping the charge-cooling system reject heat more effectively.

CSF's latest specification incorporates 5mm-tall ultra-efficient multi-louvered fins, designed to maximize surface-area contact and heat dissipation while maintaining effective airflow through the front-mounted cooler.

The heat exchanger features 100% all-aluminum TIG-welded construction, CNC-machined mounting brackets and OEM-style quick-connect inlet/outlet fittings for accurate installation.

CSF #8154 also includes a dedicated metal Rock Guard and transmission oil cooler mounting hardware. The redesigned Rock Guard is engineered to protect the core from road debris while maintaining airflow through the larger performance core.

The upgraded heat exchanger is designed as a Drop-In Fit. However, CSF notes that minor trimming of the OEM plastic transmission-cooler mounting is required to accommodate the increased-capacity design. Therefore, it should not be described as completely modification-free installation.

CSF development testing on the B58 platform showed lower IATs and faster heat-soak recovery compared with the OEM heat exchanger, with testing conducted through CSF's network of tuners and motorsport development partners.

For A90/A91 Supra owners running increased power, repeated pulls or track use, CSF #8154 provides a substantial front-mounted charge-air cooling upgrade designed to help maintain more consistent intake temperatures under demanding conditions.