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Intercooler Coupler Kit - 2002+ Subaru WRX / STi


WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

BLOX Racing's silicone hose coupler replaces the OEM intercooler hose.

BLOX Racing uses 4-layer silicone that is designed to withstand the high temperatures in the engine bay and at the intercooler. Each is fiber reinforced for maximum durability.

The new intake hose is straighter and internally smoother to provider unrestricted and undisturbed airflow.

Available in black, blue and red and includes new stainless steel clamps.


  • Replaces OEM hose
  • Will not become brittle or crack
  • Enhances engine bay appearance
  • Smoother airflow
  • 4-layers
  • High temp silicone
  • Fiber reinforced material

Vehicle Applications

  • 2002-2007 Subaru WRX
  • 2004-2020 Subaru STi