Performance Radiator: FEATURED PRODUCT - Series 02 : HPI EVOLVE

Jul 10
4 min read

Time to Rethink Your Cooling System: The True Power of "EVOLVE" to Dominate Midsummer.

Have you ever felt a cold sweat watching your water temperature gauge during a summer traffic jam or a track run?

Turn the Intense Heat to Your Advantage: The "EVOLVE" Performance Radiator That Supports Your Summer Drives.

With the peak of summer fast approaching, are you worried about your car’s water temperature gauge?

Whether you’re pushing through continuous laps at the circuit or navigating stop-and-go traffic in the scorching heat, ensuring your engine performs at its best requires a solid cooling system.

The "EVOLVE" series, which HPI continues to refine, is more than just an increase in capacity; it is a "crystallization of technology" designed to control coolant flow and push core performance to its absolute limits.

1. Beyond "Cool": The Overwhelming Heat Dissipation of Micro-Pitch Fins At the heart of every EVOLVE radiator lies our "Micro-Pitch Fin" technology.

By precisely designing the fin shape and increasing the number of core tubes by approximately 20%, we have maximized the surface area for contact with airflow.

This high-density design effectively captures every breeze to whisk away heat, enabling stable water temperature maintenance even in the most brutal conditions.

2. Uniform Flow Changes Performance: The "Control Plate" In vehicles with an upper-and-lower or side-hose layout, uneven coolant flow means you are only utilizing a fraction of your cooling capacity.

HPI’s uniquely developed "Internal Control Plate" is a magical component that regulates flow within the upper tank, ensuring the coolant circulates evenly throughout the entire core. This eliminates "hot spots" where heat tends to accumulate, allowing you to utilize the entire surface area of the core without waste—a result of our relentless pursuit of efficiency.

A thermographic comparison of a radiator core. The left image, without a control plate, shows a non-uniform, blotchy temperature distribution. The right image, with an HPI control plate, shows a highly uniform, consistent temperature distribution across the entire surface. — Visual proof of superior cooling: Thermographic analysis demonstrates how the HPI Control Plate ensures uniform coolant flow, eliminating temperature variations across the entire radiator core.

3. Three Options to Match Your Driving Style We offer three series tailored to your needs, from the circuit to the street:

STD Series: Features a large-capacity core with overwhelming thermal capacity, handling long, hard drives with ease.
LIGHT SH Series: An all-around model that achieves a high-level balance between street drivability and circuit cooling performance.
MULTI FLOW Series: Our top-tier model that optimizes coolant circulation via a side-tank structure, managing residence time to achieve exceptionally stable water temperatures.

RADIATORS

　　　　　　　　　　　　　　　　　　　　View Specs & Compatibility

HPI mascot robot holding an EVOLVE radiator for performance cars like the AE86, JZX100, S15, and BNR32. The image highlights key cooling features including Micro-Pitch Fin technology and an internal control plate. — Engineered for performance icons: The HPI EVOLVE radiator featuring Micro-Pitch Fin Tech and superior flow control.

Engineering Insight: PROTO’s Perspective

"For EVOLVE, the aspect we were most uncompromising about was the 'joint between the fins and the tubes.' Even the slightest misalignment can ruin the original heat dissipation performance of the Micro-Pitch Fins.

That is exactly why we make zero compromises in our welding process.

Honestly, there are moments when we struggle with the balance of production efficiency and cost.

But we want the drivers who choose our Performance Radiator to enjoy full-throttle runs at the circuit without ever worrying about their water temperature.

Delivering 'peace of mind' and the 'ultimate driving experience'—that is the pride of HPI.”

HPI designs each radiator with an optimal configuration tailored to the specific thermal characteristics of every vehicle, ranging from legendary cars such as the AE86, JZX100, S15, and BNR32 to the latest models.

Series	Primary Applications	Price (excl. tax)
STD	JZX100/110, S15, FD3S, etc.	from 65,000 JPY
SH	AE86, BNR32, JZX100/110, etc.	from 65,000 JPY
MF	JZX100, BNR32, ZN6, etc.	from 90,000 JPY

Note: Models compatible with water temperature sensor attachments are widely available.

Voice of HPI Users

We would like to thank our customers for sharing their experiences.

JZX100 (Chaser) Owner: "I used to have to pause for cool-down laps constantly because my water temperature would spike when drifting in 1st and 2nd gear. Since switching to EVOLVE, the temperature rise is noticeably milder. I’m spending less time cooling down and more time actually driving. Plus, the finish on the tank is stunning—I love opening my hood now!"

S15 (Silvia) Owner: "I used to back off the throttle the moment I saw the temperature needle climbing during circuit runs. But with my HPI radiator, the temperature stays rock-solid even when I’m pushing it hard. Those who drive aggressively will immediately notice the difference in peace of mind."

AE86 (Trueno) Owner: "Driving a classic car in summer traffic used to make me nervous. I chose the LIGHT SH model because I heard it was lightweight, and it has genuinely made managing water temperatures so much easier. It was a direct fit for my sensors, saving me a lot of hassle, and now I can enjoy driving even in the heat of summer with total confidence."

Closing Message

Your cooling system is the final line of defense for your engine and the greatest weapon to support your performance.

This summer, equip your car with the trust that comes with the name "EVOLVE."