- Description
The AMS Performance Heat Exchanger for the 2020+ Toyota GR Supra A90 is engineered to solve one of the B58 engine’s biggest limitations—heat. As boost and power levels rise, intake air temperatures rapidly climb, causing ECU timing reduction, power loss, and heat-soak during back-to-back pulls. The AMS Heat Exchanger eliminates these inconsistencies by dramatically increasing the thermal efficiency and coolant capacity of the Supra’s factory intercooling system.
Designed using CFD modeling, dyno validation, and real-world track testing, the AMS Heat Exchanger features a high-density motorsport-grade core that maximizes cooling surface area and heat transfer. The increased core volume helps stabilize intake temps under sustained load, allowing the engine to maintain full timing and consistent power — even on tuned, ethanol, or big-turbo setups. Whether you’re carving canyons, lapping at the track, or making repeated highway pulls, this system keeps your Supra in its optimal performance window.
AMS also optimized airflow to the core using CNC-formed end tanks and a robust internal fin structure that maintains high coolant flow while preventing pressure drop. This design ensures reliable cooling performance without introducing restrictions into the charge-cooler circuit. Stainless hardware and reinforced silicone hoses provide long-term durability and leak-free operation under elevated heat and pressure.
This heat exchanger is a completely bolt-on upgrade. Installation uses stock mounting points, and the unit is compatible with factory or aftermarket charge-cooler components. The CNC-machined brackets and precision-fit design ensure OEM-level alignment and vibration-free operation, even under hard driving.
Whether your Supra is lightly tuned or built for serious power, this heat exchanger provides the headroom and thermal control needed for safe, repeatable performance.
Key Features
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Direct bolt-on upgrade for 2020+ Toyota GR Supra A90 (B58)
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Significantly increases cooling capacity and efficiency
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Reduces intake air temperatures and prevents heat-soak
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CFD-developed, high-density motorsport core
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CNC-formed end tanks for optimal flow and durability
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Stabilizes performance during repeated high-load pulls
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Supports tuned, hybrid turbo, and big-turbo builds
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No cutting or permanent modifications required
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Includes high-quality silicone hoses and stainless hardware
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Proven through dyno, track, and street testing
Ideal For
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Tuned Supras experiencing heat-soak
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E85 and high-boost builds
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Road course, drag racing, and hot-climate driving
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Owners who want consistent, repeatable power
Installation
Fully bolt-on and includes all required hardware. Designed to integrate seamlessly with the OEM cooling circuit and charge-cooler layout. A coolant bleed is required after installation.

