CSF Aluminum Racing Radiator | 2002-2007 Subaru WRX/STI (3076)

CSF Racing
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2002-2007 Subaru WRX/STI Aluminum Racing Radiator by CSF

CSF manufactures the most advanced and efficient radiator cores in the industry by using innovative tube and fin technologies with industry leading testing methods to maximize airflow and heat dissipation. These techniques allow CSF to stay ahead of the pack when it comes to radiator technology!

“B-Tube” technology – Unlike a regular oval shape “O” type radiator tube, CSF uses a specially engineered tube in a shape of a “B”. These “B-tubes” are carefully formed and then brazed over the seam to seal. CSF is able to use thinner and lighter aluminum material (better cooling efficiency) because this design is actually stronger than normal “O” shape tubes that are welded.

The design (inlet in the middle of tube that is seam brazed) increases the heat transfer surface area of the tubes by approximately 15% over regular tubes. You get the efficiency of 2 smaller tubes vs. 1 large tube within the same space criteria. With “B-tubes” you are able to get “dual liquid laminar flow.”

High Efficiency Multi Louvered Fin – CSF uses ultra efficient multi louvered fins that are carefully and precisely aligned to maximize airflow through each radiator core. Fin specifications are carefully measured and calculated for each application, and tested for maximum heat rejection efficiency in our wind-tunnel lab.

Each CSF high quality radiator is completed with an industry leading 1 hour, hand polished “Show-Stopper™ mirror finish.” Our hand polishing tools and techniques in our new polishing center located at the end of the production line ensures that every CSF cooling system looks just as good as it performs.

Features

  • CAD/CAM designed using Unigraphics™ Software
  • OE radial and deep drawn aluminum endtanks
  • “B-Tube” Technology – Stronger, most efficient tube in the world
  • Wind tunnel tested for optimal radiator core cooling efficiency
  • “Racing Style” Aluminum Drain Plug
  • Brazed in CAB Furnace
  • ISO 9001/9002 certification
  • Military Grade (special clad) aluminum used for tubes, fins, header, plates, and side brackets (JIS 3003 spec minimum)
  • CNC machined fittings
  • “Master Class” TIG welding

Applications

  • 2002-2007 Subaru WRX
  • 2004-2007 Subaru STI

What's In The Box?

  • 1 - CSF Racing Radiator

Warranty

  • Manufacturer Standard Warranty

Customer Reviews

Based on 3 reviews
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R
R.T.
5 Stars if

The installation was really easy on my '02 Bugeye, but not simple because I did have to cut about 1/2-3/4 inch off the lower silicone hose that I used. Also, I had to make cuts eventually taking about an inch off the top hose, which makes it look like it's gonna hit something but does not. The cuts were done only at the hose ends that connect to the engine. It was some trial and error after going on short drives, but that's a hose problem not a radiator issue. It was really easy to burp the radiator by squeezing the top hose while the front end was lifted with the back end on the floor. Other than that, the car runs better temps even when going hard and the engine seems to have to work less to get up to speed. I am pretty sure my last radiator, before it cracked, had some debris or just a really dirty/old coolant mixture. It looks great in the engine bay. I used the stock fans, shroud and mounts, and it works great.

A
Angel Enamorado
Perfect

Great radiator love it and it looks great.

M
Mr Garrett Absher
Amazing!

Love this radiator. Absolutely Amazing. Keeps my eh25 atleast 10° cooler while hotlapping on the dragstrip and autox.