Skip to content
Katapult Buy now, pay later. No credit required!
Katapult Buy now, pay later. No credit required!
About Military Discounts Contact Shipping

2015-2021 STI Cooling

Filters

  • Sale Sale

    GetaDomTune Cylinder 4 Chamber Cooling System w/ Stainless T Fitting - Subaru 2004+ STI / 2002-2014 WRX)

    GetaDomTune
    $85.00
    $85.00 - $85.00
    $85.00
    $79.00
    $79.00 - $79.00
    $79.00
      Lease to own   Pay as low as   $/week

    GetaDomTune Cylinder 4 Chamber Cooling System. This is an industry first and patent pending DOHC EJ Cylinder 4 Combustion Chamber Cooling Kit. Thi...

    View full details

  • Process West Engine Oil Cooling System 2015-2021 STI

    Process West
    $880.60 - $880.60
    $880.60
    $880.60 - $880.60
    $880.60
      Lease to own   Pay as low as   $/week

    If you do any type of motorsport in your WRX or STi you need to keep engine oil temps under control. The Process West engine oil cooler kit will r...

    View full details
  • Mishimoto_X-Line_Aluminum_Radiator_cooling_efficiency
    Mishimoto_X-Line_Aluminum_Radiator
    Sale Sale

    Mishimoto X-Line Aluminum Radiator 2008-2014 WRX / 2008-2021 STI

    Mishimoto
    $560.31
    $560.31 - $560.31
    $560.31
    $421.95
    $421.95 - $421.95
    $421.95
      Lease to own   Pay as low as   $/week

    The Mishimoto X Line performance aluminum radiator for the 08+ Subaru WRX and STI is designed with a larger 3 row core to maximize cooling efficien...

    View full details
  • Sold out

    Killer B Upper Turbo Coolant Reservoir V2 Black AN Fittings for 02-07 WRX / 04+ STI

    Killer B Motorsport
    $219.00 - $219.00
    $219.00
    $219.00 - $219.00
    $219.00
      Lease to own   Pay as low as   $/week

    Killer B Upper Turbo Reservoir for EJ motors utilizes the OEM high point location, mounting points, Subaru filler cap, maintains proper cooling sys...

    View full details
  • Sold out

    Killer B Upper Turbo Coolant Reservoir V2 Black Barbed Fittings for 02-07 WRX / 04+ STI

    Killer B Motorsport
    $197.00 - $197.00
    $197.00
    $197.00 - $197.00
    $197.00
      Lease to own   Pay as low as   $/week

    Killer B Upper Turbo Reservoir for EJ motors utilizes the OEM high point location, mounting points, Subaru filler cap, maintains proper cooling sys...

    View full details

  • Killer B High Flow Water Pump Housing Install Kit EJ Series

    Killer B Motorsport
    $54.00 - $54.00
    $54.00
    $54.00 - $54.00
    $54.00
      Lease to own   Pay as low as   $/week

    The EJ Series Installation Kit allows for installation of Killer B's Cast High Flow Water Pump Housing and contains hose and clamps.

  •

    Torque Solution Black Billet Thermostat Housing 2002-2014 WRX / 2004-2021 STI

    Torque Solution
    $69.99 - $69.99
    $69.99
    $69.99 - $69.99
    $69.99
      Lease to own   Pay as low as   $/week

    Torque Solution Billet Thermostat Housing for Subaru EJ Engines is the perfect complement to add to your engine build to give it that extra persona...

    View full details

  • Perrin Oil Cooler Kit 2002-2014 WRX / 2004-2021 STI

    Perrin Performance
    $500.00 - $500.00
    $500.00
    $500.00 - $500.00
    $500.00
      Lease to own   Pay as low as   $/week

    Reduce engine oil temperatures, extend engine life, and keep your horsepower consistent with a PERRIN Oil Cooler.In racing conditions engine oil te...

    View full details

  • Perrin Oil Cooler Kit w/PERRIN Core 2004-2021 STI / 2002-2014 WRX

    Perrin Performance
    $925.00 - $925.00
    $925.00
    $925.00 - $925.00
    $925.00
      Lease to own   Pay as low as   $/week

    In racing conditions engine oil temperature skyrockets. This causes decreased engine performance and reduces the oil's ability to properly lubricat...

    View full details

  • Torque Solution Black Silicone Radiator Hose Kit 2008-20214 WRX / 2008-2021 STI

    Torque Solution
    $122.21 - $122.21
    $122.21
    $122.21 - $122.21
    $122.21
      Lease to own   Pay as low as   $/week

    Torque Solution Silicone Radiator Hose Kits are essential for your Subaru. They are specifically designed to replace the factory-installed rubber h...

    View full details
  • Sale Sale

    Mishimoto Red Aluminum Radiator Stay 2015-2021 WRX / 2015-2021 STI

    Mishimoto
    $48.21
    $48.21 - $48.21
    $48.21
    $37.95
    $37.95 - $37.95
    $37.95
      Lease to own   Pay as low as   $/week

    Add some flair to the engine bay of your 2015+ Subaru WRX or STI with the Mishimoto Aluminum Radiator Stay Set. These radiator stays will fit perfe...

    View full details
  • Sale Sale

    Mishimoto Black Aluminum Radiator Stay 2015-2021 WRX / 2015-2021 STI

    Mishimoto
    $48.21
    $48.21 - $48.21
    $48.21
    $37.95
    $37.95 - $37.95
    $37.95
      Lease to own   Pay as low as   $/week

    Add some flair to the engine bay of your 2015+ Subaru WRX or STI with the Mishimoto Aluminum Radiator Stay Set. These radiator stays will fit perfe...

    View full details
  • Sale Sale

    Mishimoto Silver Aluminum Radiator Stay 2015-2021 WRX / 2015-2021 STI

    Mishimoto
    $48.21
    $48.21 - $48.21
    $48.21
    $37.95
    $37.95 - $37.95
    $37.95
      Lease to own   Pay as low as   $/week

    Add some flair to the engine bay of your 2015+ Subaru WRX or STI with the Mishimoto Aluminum Radiator Stay Set. These radiator stays will fit perfe...

    View full details
  • Sale Sale

    Mishimoto Blue Aluminum Radiator Stay 2015-2021 WRX / 2015-2021 STI

    Mishimoto
    $48.21
    $48.21 - $48.21
    $48.21
    $37.95
    $37.95 - $37.95
    $37.95
      Lease to own   Pay as low as   $/week

    Add some flair to the engine bay of your 2015+ Subaru WRX or STI with the Mishimoto Aluminum Radiator Stay Set. These radiator stays will fit perfe...

    View full details
  • Sale Sale

    CSF 1-Row 31mm High-Performance Aluminum Radiator Black 2008-2021 WRX / 2008-2021 STI

    CSF
    $349.00
    $349.00 - $349.00
    $349.00
    $329.00
    $329.00 - $329.00
    $329.00
      Lease to own   Pay as low as   $/week

    This CSF 1-Row 31mm High-Performance Aluminum Radiator is specifically designed for use with manual transmission vehicles. CSF radiators are expert...

    View full details
  • Sale Sale

    CSF 1-Row 31mm High-Performance Aluminum Radiator 2008-2021 WRX / 2015-2021 STI

    CSF
    $349.00
    $349.00 - $349.00
    $349.00
    $329.00
    $329.00 - $329.00
    $329.00
      Lease to own   Pay as low as   $/week

    Experience greater cooling efficiency with the CSF 1-Row 31mm High-Performance Aluminum Radiator. Enhanced with CSF's innovative “B-Tube” technolog...

    View full details
  • Sale Sale

    CSF 2-Row 42mm High-Performance Aluminum Radiator 2008-2021 WRX / 2008-2021 STI

    CSF
    $409.00
    $409.00 - $409.00
    $409.00
    $389.00
    $389.00 - $389.00
    $389.00
      Lease to own   Pay as low as   $/week

    Equip your 2008-2021 WRX/STI with CSF's 2-Row 42mm High-Performance Aluminum Radiator. CSF manufactures the most advanced and efficient radiator co...

    View full details

  • GrimmSpeed Radiator Hose Kit 2008-2014 WRX / 2008-2021 STI

    GrimmSpeed
    $110.00 - $110.00
    $110.00
    $110.00 - $110.00
    $110.00
      Lease to own   Pay as low as   $/week

    The GrimmSpeed Radiator Hose Kit feature multi-layer silicone construction that is built to last while improving the overall cooling efficiency of ...

    View full details
  • Sale Sale

    Mishimoto Aluminum Coolant Overflow Tank Black 2008-2021 WRX / STI

    Mishimoto
    $277.14
    $277.14 - $277.14
    $277.14
    $210.95
    $210.95 - $210.95
    $210.95
      Lease to own   Pay as low as   $/week

    Get that plastic blob of an overflow tank out of your engine bay. Stock plastic tanks are prone to failure due to repeated hot and cold cycles, and...

    View full details
  • Sale Sale

    Mishimoto Aluminum Coolant Overflow Tank Polished 2008-2021 WRX / STI

    Mishimoto
    $277.14
    $277.14 - $277.14
    $277.14
    $210.95
    $210.95 - $210.95
    $210.95
      Lease to own   Pay as low as   $/week

    Get that plastic blob of an overflow tank out of your engine bay. Stock plastic tanks are prone to failure due to repeated hot and cold cycles, and...

    View full details
  • Sale Sale

    Mishimoto Thermostatic Oil Cooler Kit 2015-2021 STI

    Mishimoto
    $673.46 - $700.67
    $673.46 - $700.67
    $673.46
    $580.95 - $604.95
    $580.95 - $604.95
    $580.95
      Lease to own   Pay as low as   $/week

    The Subaru WRX STI provides a great balance of power, handling, and reliability. As with any vehicle, controlling fluid temperatures will ensure co...

    View full details
  • Sale Sale

    Mishimoto Oil Cooler Kit 2015-2021 STI

    Mishimoto
    $625.42 - $637.93
    $625.42 - $637.93
    $625.42
    $529.95 - $540.95
    $529.95 - $540.95
    $529.95
      Lease to own   Pay as low as   $/week

    The Subaru STI provides a great balance of power, handling, and reliability. As with any vehicle, controlling fluid temperatures will ensure consis...

    View full details
  • Sale Sale

    Mishimoto Plug and Play Aluminum Fan Shroud Kit 2008-2014 WRX / 2008-2021 STI

    Mishimoto
    $409.69
    $409.69 - $409.69
    $409.69
    $287.95
    $287.95 - $287.95
    $287.95
      Lease to own   Pay as low as   $/week

    Free up some engine bay space with the Mishimoto Subaru WRX/STI Plug-N-Play Aluminum Fan Shroud Kit! This kit bolts directly to your stock or Mishi...

    View full details

  • Koyo Aluminum Racing Radiator Manual Transmission 2008-2021 WRX / STI

    Koyo
    $506.40 - $506.40
    $506.40
    $506.40 - $506.40
    $506.40
      Lease to own   Pay as low as   $/week

    The Hyper V-Core Series is the newest to the Koyorad | Koyo All Aluminum Racing Radiator lineup. An engine's cooling system in many newer vehi...

    View full details