Fluidyne Extruded-Tube High-Performance Aluminum Radiator (Ram TRX 2021-2024)

NASCAR-Proven Extruded Tube Core

At the heart of this radiator is one-piece die-extruded tube core technology — the same technology we’ve trusted for decades in NASCAR radiators and oil coolers. No one in the industry has more real-world experience with extruded tube cooling systems than Fluidyne.
Unlike conventional radiator cores, our tubes are not formed and sonic-welded from flat aluminum. That common manufacturing shortcut — used by OEMs and most aftermarket brands — creates two inherent failure points:

• The sonic weld seam along the tube
• The brazed joint where that seam meets the header

Those welds crack. They leak. They fail — especially under heat, vibration, and boost.

Why Extruded Tubes Matter

Fluidyne’s tubes are die-extruded, formed by forcing molten aluminum through a precision die under extreme pressure. The result is:
• No sonic welds
• Thicker tube walls
• Far greater rigidity and crack resistance
• A larger, stronger brazing surface at the header
This eliminates the two most common radiator failure points and dramatically improves long-term durability — exactly what a supercharged 6.2L Hellcat demands.

Heavy-Duty TIG-Welded Tanks

We don’t cut corners anywhere — especially not on the tanks.
Our radiators feature the thickest aluminum tanks in the industry, allowing us to use heavier TIG filler rod on every joint. The result is a radiator that’s:
• More rigid
• More vibration-resistant
• Far more leak-resistant than thin-wall aluminum designs
• Light-years beyond the OEM crimped plastic tanks

NASCAR-Level Fin Technology

Cooling isn’t just about tubes — it’s about airflow and heat transfer.
This radiator uses over 30 years of Fluidyne fin-design expertise, incorporating the same fin technology we run in NASCAR-spec cooling systems. The result is maximum heat rejection under sustained load, whether you’re:
• Hammering through the desert
• Towing hard
• Running high boost
• Or flat-out abusing your TRX like it was meant to be

Overbuilt Mounting, Zero Compromise

Every mounting bracket and tab is precision CNC-cut, fully TIG-welded, and built with thicker material than typical aftermarket units. No spot welds. No thin stampings. No shortcuts.
This radiator is designed to fit correctly, mount solidly, and survive real-world abuse — not just look good in a catalog.