CSF High Performance Race Spec Aluminum Radiator

2008-2021 Subaru STI / 2015-2021 WRX (Manual Only)

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SKU: 7095We price match!

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  • Strong all-aluminum construction
  • New 42mm 2-Row design
  • Provides optimal cooling efficiency and performance
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CSF 42mm 2-Row Race Spec All-Aluminum Radiator


  • New 42mm 2-Row Race-Spec core design
  • CAD/CAM designed using Unigraphics Software
  • OE radial and deep drawn aluminum end tanks
  • 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
  • Military0grade special clad  aluminum used for tubes, fins, header
  • Plates and side brackets (JIS 3003 spec minimum)
  • Privately owned factories with full "in-house" tool rooms
  • CNC machined fittings
  • "Master Class" TIG welding
  • Individually leak tested
  • Vibration cycle tested
  • Thermal cycle tested
  • Wind tunnel tested for optimal radiator core cooling efficiency
  • Burst pressure and impulse cycle tested 10,000 times for strength
  • Salt spray tested for corrosion protection
  • 10-foot box "drop test" to ensure packaging protection
  • 30 point fitment inspection on critical dimensions to ensure OE fitment with no modifications necessary
  • Applications will vary, however, some will come equipped with a radiator cap
  • High-efficient cooling for those with a daily driver or weekend show car
  • Optimal cooling performance for those with a purpose-built race car or rally car



This is the new CSF 2-Row 42mm Race-Spec Radiator. This is a super-durable all aluminum radiator designed to replace your factory radiator to improve the overall cooling efficiency. Most factory radiators are manufactured using plastic upper and bottom tanks which will eventually weaken over time, and will leak which will cause you to overheat, which will open up an entirely different set of problems. CSF relieves this issue with all-aluminum construction to essentially become the end-all-be-all of radiators. 



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