DAIWA Racing Labo DRL Aluminum Performance Radiator - Honda Civic Type R FL5 & Acura Integra Type S DE5

Fin

A Unique Design that Effectively
Promotes Airflow for Enhanced Cooling

RectangularFins

DRL products feature trapezoidal (rectangular) fins that have a larger contact area for the tube and a higher heat dissipation efficiency compared to the conventional round forms, which have limited contact with the surface of the tube.
FineLouvers

A precisely calculated angle allows air to be drawn smoothly from the louver, which is molded all the way to the edge without wasting space to enhance the cooling effect.
In Pursuit of a SlimandLightweightDesign

Compared to the standard aluminum version with 7.8mm (right), DRL’s slim and lightweight model is only 5mm (left). The louvers are molded right to the very end of both edges to facilitate the flow of air as much as possible.

Tube

Our Dedication to Making a Difference of 0.05 mm

The cooling water flows through a tube with a wall thickness of 0.25mm, compared to the standard 0.3mm. By reducing the wall thickness and the distance between the cooling water inside the tube and the air outside, a shorter duration for heat dissipation is needed, greatly increasing the cooling efficiency.

Core

Thin 36mm Core

DRL’s unique 36mm core is much thinner than standard cores and features slim fins, which are conducive for airflow, and narrow tube pitches. Due to the reduction in weight and enhanced airflow, efficient heat exchange is possible. The slim and compact design demonstrates that cooling can be realized without unnecessary water usage, showcasing DRL’s capabilities at its best. “Cooling with less” has truly been achieved.

Optimal Spacing of Fins and Tube Pitch

By increasing the number of fins and tubes with a narrower pitch width than the standard and increasing the total amount of water, the heat exchange efficiency of the cooling water is dramatically improved.

Aesthetics

Beautifully Finished by Craftsmen

Each product is personally made by our highly experienced craftsmen.
Our products are manufactured in our factories in Japan, which offer after-sales services.

Machined Aluminum Upper Hoses

Our upper hoses are made of aluminum for a high level of strength and precision. The smooth inner walls have minimal bends and resistance to smoothly channel cooling water in.

Fin

Tube

Core

Aesthetics

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