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 Engine

Filters

  • Perrin_Battery_Tie_Down_black
    Perrin_Battery_Tie_Down_set
    Sale Sale

    Perrin Battery Tie Down 2002-2022 wrx performance WRX / 2004-2021 STI / 2013+ BRZ/FRS/86

    Perrin Performance
    $79.00 - $84.00
    $79.00 - $84.00
    $79.00
    $67.15 - $75.60
    $67.15 - $75.60
    $67.15
      Lease to own   Pay as low as   $/week

    Secure your battery in style with the Perrin Battery Tie Down for 2002-2022 WRX, 2004-2021 STI, and 2013+ BRZ/FRS/86. Crafted for performance. DETA...

    View full details
  • Perrin_Pitch_Stop_Mount_2002-2022_WRX/2004-2021_STI_black
    Perrin_Pitch_Stop_Mount_2002-2022_WRX/2004-2021_STI_all_multicolor
    Sale Sale

    Perrin Pitch Stop Mount 2002-2022 WRX / 2004-2021 STI

    Perrin Performance
    $117.00
    $117.00 - $117.00
    $117.00
    $99.45 - $105.30
    $99.45 - $105.30
    $99.45
      Lease to own   Pay as low as   $/week

    Reduce drivetrain shudder under hard acceleration by installing a PERRIN Pitch Stop Mount. Subarus with power and drivetrain upgrades will need PER...

    View full details
  • Killer_B_Motorsport_Aluminum_Oil_Pan_Package

    Killer B Motorsport Aluminum Oil Pan Package 2002-2014 WRX / 2004-2021 STI

    Killer B Motorsport
    $681.00 - $681.00
    $681.00
    $681.00 - $681.00
    $681.00
      Lease to own   Pay as low as   $/week

    Our V2 Performance Oil pan is designed to reliably meet the demands of high performance Subaru Engines used on street or track applications. Oil Pa...

    View full details
  • Perrin_Front_Strut_Tower_Brace_left_right_Mounting_foot_black
    Perrin_Front_Strut_Tower_Brace_left_right_Mounting_foot
    Sale Sale

    Perrin Front Strut Tower Brace 2008-2021 WRX / STI

    Perrin Performance
    $299.00 - $325.00
    $299.00 - $325.00
    $299.00
    $263.50 - $279.00
    $263.50 - $279.00
    $263.50
      Lease to own   Pay as low as   $/week

    The ultra-strong PERRIN Strut Tower Brace eliminates strut tower flex and is an excellent accent piece for your engine bay. DETAILS: PERFORMANCE ...

    View full details
  • Sale Sale

    NGK Iridium Spark Plug Set One Step Colder 2006-2014 WRX / 2004-2021 STI / 2005-2009 LGT / 2004-2008 FXT

    NGK
    $73.23
    $73.23 - $73.23
    $73.23
    $43.80
    $43.80 - $43.80
    $43.80
      Lease to own   Pay as low as   $/week

    This NGK Iridium spark plug set is specifically designed to provide extra performance for 2006-2014 WRX, 2004-2021 STI, 2005-2009 LGT, and 2004-200...

    View full details

  • Turbo XS Subaru EJ20/EJ25 5 Layer SS Turbine Outlet Gasket

    Turbo XS
    $21.00 - $21.00
    $21.00
    $21.00 - $21.00
    $21.00
      Lease to own   Pay as low as   $/week

    The Turbo XS Subaru EJ20/EJ25 5 Layer SS Turbine Outlet Gasket is designed for single scroll turbo applications. Its five-layer construction ensure...

    View full details

  • ATP Turbo GTX3076R Gen 2 Externally Gated Turbo 2002-2007 WRX / 2004-2021 STI

    ATP
    $2,195.00 - $2,195.00
    $2,195.00
    $2,195.00 - $2,195.00
    $2,195.00
      Lease to own   Pay as low as   $/week

    Just like the GTX3076R kit ATP-SUB-021 but with built in flange for Tial 44mm wastegate on the turbine housing. High flow, less exhaust backpressu...

    View full details

  • ETS Subaru STI 2015+ Stock Turbo Piping Kit Titanium

    ETS
    $1,575.00 - $1,575.00
    $1,575.00
    $1,575.00 - $1,575.00
    $1,575.00
      Lease to own   Pay as low as   $/week

    Discover increased durability and improved performance with the ETS Subaru STI 2015+ Stock Turbo Piping Kit. Made from high-quality titanium, this ...

    View full details

  • ETS Front Mount Intercooler Core 3.5in Silver w/ Black Logo Subaru STI 2015+

    ETS
    $859.00 - $859.00
    $859.00
    $859.00 - $859.00
    $859.00
      Lease to own   Pay as low as   $/week

    Increase the performance of your Subaru STI 2015 with the ETS Front Mount Intercooler Core. This 3in silver core, featuring a black logo, is design...

    View full details
  • Injector_Dynamics_Fuel_Injectors_1300cc_2002-2014_WRX/2007-2021_STI

    Injector Dynamics Fuel Injectors 1300cc 2002-2014 WRX / 2007-2021 STI

    Injector Dynamics
    $945.00 - $945.00
    $945.00
    $945.00 - $945.00
    $945.00
      Lease to own   Pay as low as   $/week

    These are the Injector Dynamics 1300X Fuel Injectors and are an excellent option for those of you who need to supplement your fuel system in your ...

    View full details
  • Aeromotive_Top_Feed_Fuel_Rail _System_stainless

    Aeromotive Top Feed Fuel Rail System 2002-2014 WRX / 2007-2021 Sabaru STI parts

    Aeromotive
    $1,299.95 - $1,299.95
    $1,299.95
    $1,299.95 - $1,299.95
    $1,299.95
      Lease to own   Pay as low as   $/week

    The Aeromotive Top Feed Fuel Rail System includes a complete parallel setup that includes fuel rails, braided Sabaru STI parts stainless lines and ...

    View full details
  • killer-b-oil-fill-relocation-tube_o_ring
    killer-b-oil-fill-relocation-tube_o_ring_black

    Killer B Oil Fill Relocation Tube 2008-2014 WRX / 2008-2021 STI

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

    The Killer B Motorsport Relocated Oil Fill Tube changes the location of the oil fill tube and cap. This product was designed from customer requests...

    View full details
  • Perrin_Radiator_Shroud_black
    Perrin_Radiator_Shroud
    Sale Sale

    Perrin Radiator Shroud 2015-2021 WRX / STI

    Perrin Performance
    $150.00 - $170.00
    $150.00 - $170.00
    $150.00
    $127.50 - $153.00
    $127.50 - $153.00
    $127.50
      Lease to own   Pay as low as   $/week

    The PERRIN Radiator Shroud caps the top of the radiator for a sleek, clean, and accented new look. DETAILS: LET YOUR RADIATOR LOOK HOT WHILE GETT...

    View full details
  • 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

  • Subaru OEM 02-14 WRX / 04-21 STI / 05-09 LGT STI Group N Engine Mounts

    Subaru
    $170.95 - $170.95
    $170.95
    $170.95 - $170.95
    $170.95
      Lease to own   Pay as low as   $/week

    Upgrade your Subaru engine with these STI "Group-N" engine mounts. Made of stiffer, high-quality rubber, they reduce engine motion and improve engi...

    View full details

  • Nameless Performance Bypass Valve 2002-2007 WRX / 2004-2021 STI / 2006-2008 FXT

    Nameless Performance
    $314.00 - $314.00
    $314.00
    $314.00 - $314.00
    $314.00
      Lease to own   Pay as low as   $/week

    The Nameless Performance Bypass Valve 2002-2007 WRX / 2004-2021 STI / 2006-2008 FXT is a high-performance valve designed to reduce compressor surge...

    View full details

  • Killer B Performance Subaru EJ25 High Flow Ultimate Oil Pickup Baffle Combo

    Killer B Motorsport
    $252.00 - $252.00
    $252.00
    $252.00 - $252.00
    $252.00
      Lease to own   Pay as low as   $/week

    The Killer B Motorsport High Flow Ultimate Oil PickupDesigned to replace the failure prone and performance limited OEM oil pickup. This is the high...

    View full details

  • Killer B Oil Temperature Sensor Adapter 1/2NPT to 1/8PT

    Killer B Motorsport
    $24.00 - $24.00
    $24.00
    $24.00 - $24.00
    $24.00
      Lease to own   Pay as low as   $/week

    Our 1/2NPT to 1/8PT Adapter will allow the use of aftermarket temperature sensors that have 1/8PT threads. Our aftermarket oil pan includes an extr...

    View full details

  • Killer B Fumoto Valve 1/2NPT for use w/ Killer B Oil Pans

    Killer B Motorsport
    $42.00 - $42.00
    $42.00
    $42.00 - $42.00
    $42.00
      Lease to own   Pay as low as   $/week

    These handy valves make short work of oil changes, putting you IN the car longer and under it less. No more sockets, wrenches, crush washers, or to...

    View full details
  • Sold out

    Killer B 3in Coupler Extreme Flow HARD Turbo Inlet

    Killer B Motorsport
    $49.00 - $49.00
    $49.00
    $49.00 - $49.00
    $49.00
      Lease to own   Pay as low as   $/week

    Killer B 3in Coupler Extreme Flow HARD Turbo Inlet

  •

    Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet

    Killer B Motorsport
    $49.00 - $49.00
    $49.00
    $49.00 - $49.00
    $49.00
      Lease to own   Pay as low as   $/week

    Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet

  •

    Killer B OEM Coupler for Motorsport Extreme Flow HARD Turbo Inlet

    Killer B Motorsport
    $49.00 - $49.00
    $49.00
    $49.00 - $49.00
    $49.00
      Lease to own   Pay as low as   $/week

    Killer B OEM Coupler for Motorsport Extreme Flow HARD Turbo Inlet. OEM (2.4 inch) to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD T...

    View full details

  • 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

  • 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