2015-2021 Subaru STI Engine Parts & Upgrades
Shop 2015-2021 subaru sti engine parts and performance upgrades at JDMuscle. We carry the top brands with guaranteed fitment for your 2015-2021 Subaru STI.
2015-2021 Subaru STI Engine
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Forced Performance FP GREEN Turbocharger 84mm 8cm IWG w/ Oil Feed Line Subaru STI 2004+ / WRX 2002-2007 | 2025110
Regular price $1,539.00Sale price $1,539.00 Regular priceUnit price per$1,539.00 -
Up to $60 off
In StockPLM Precision Works Top Feed Fuel Rails WRX 2002-2014 / STI 2007-2020 / Legacy GT 2008-2012 / Forester XT 2006-2013 | PW-TOP-FEED-FR-SUB
Only 8 leftRegular price $135.00Sale price $135.00 Regular priceUnit price per$195.00 -
In StockGrimmspeed 08-14 WRX / 08-14 STI / 18-21 STI Post MAF Hose Kit Black | 125011
Only 1 leftRegular price $121.00Sale price $121.00 Regular priceUnit price per$121.00 -
![Turbo XS [15-21 WRX/STI] Billet Aluminum Radiator Stay - Red - JDMuscleRadiator AccessoriestxsW15-RADSTAY-RED](//jdmuscleusa.com/cdn/shop/products/turbo-xs-15-21-wrxsti-billet-aluminum-radiator-stay-red-7805951.jpg?v=1789269556&width=220)
![Turbo XS [15-21 WRX/STI] Billet Aluminum Radiator Stay - Red - JDMuscleRadiator AccessoriestxsW15-RADSTAY-RED](//jdmuscleusa.com/cdn/shop/products/turbo-xs-15-21-wrxsti-billet-aluminum-radiator-stay-red-8771606.jpg?v=1789269556&width=220)
Up to $8.21 off
In StockTurbo XS Billet Aluminum Radiator Stay - Red
Fits: 15-21 WRX/STI
Only 7 leftRegular price $44.00Sale price $44.00 Regular priceUnit price per$52.21 -
In StockHKS 3 Layer Dry 200mm Green Replacement Filter Element
Fits: Universal
Regular price $29.00Sale price $29.00 Regular priceUnit price per$29.00 -
Up to $20 offRadium Engineering Dual Catch Can Kit 2002-2014 WRX / 2004-21 STI / 2004-2013 Forester XT
Regular price $379.95Sale price $379.95 Regular priceUnit price per$399.95 -
In StockKing Engine Rod Bearings 52mm Journal Size WRX/STI EJ20/EJ22/EJ25 2002-2020
Regular price From $50.00Sale price From $50.00 Regular priceUnit price per$50.00 -
FactionFab 08-14 WRX / 08+ STI MAF Sensor Replacement O ring
Regular price $8.40Sale price $8.40 Regular priceUnit price per$7.00 -
![Company23 [08-21 STI] Standard Boost Control Solenoid| 530](//jdmuscleusa.com/cdn/shop/products/company23-standard-boost-control-solenoid-subaru-sti-2008-2020-boost-control-solenoids-company23-cop-530.jpg?v=1614538775&width=220)
Company23 Standard Boost Control Solenoid| 530
Fits: 08-21 STI
Regular price $156.00Sale price $156.00 Regular priceUnit price per$156.00 -
Up to $1.80 off
In StockBLOX Racing Magnetic Oil Drain Plug - M20x1.50mm
Only 2 leftRegular price $16.20Sale price $16.20 Regular priceUnit price per$18.00 -
![Torque Solution [02-25 WRX, 04-21 STI] V3 Billet Pitch Stop Engine Mount | TS-SU-011](//jdmuscleusa.com/cdn/shop/products/torque-solution-v3-billet-pitch-stop-engine-mount-subaru-wrx-2002-2014-sti-2004-2019-engine-mounts-torque-solution-black-tqsts-su-011.jpg?v=1614518869&width=220)
![Torque Solution [02-25 WRX, 04-21 STI] V3 Billet Pitch Stop Engine Mount | TS-SU-011](//jdmuscleusa.com/cdn/shop/products/torque-solution-v3-billet-pitch-stop-engine-mount-subaru-wrx-2002-2014-sti-2004-2019-engine-mounts-torque-solution-2.jpg?v=1614676005&width=220)
Up to $13.10 off
In StockTorque Solution V3 Billet Pitch Stop Engine Mount | TS-SU-011
Fits: 02-26 WRX, 04-21 STI
Regular price From $98.00Sale price From $98.00 Regular priceUnit price per$111.10 -
In StockWalbro 450lph In-Tank Fuel Pump High Pressure Version | F90000274 - Universal
Regular price From $141.00Sale price From $141.00 Regular priceUnit price per$0.00 -
Up to $22.90 off
In StockTurbosmart Kompact Plumb Back BPV
Fits: 02-07 WRX, 04-21 STI, 04-08 FXT
Only 10 leftRegular price $206.09Sale price $206.09 Regular priceUnit price per$228.99 -
Grimmspeed VF Series Internal Wastegate Brackets - Subaru Universal
Regular price $45.00Sale price $45.00 Regular priceUnit price per$45.00 -
In StockGrimmspeed 02-07 WRX / 04-21 STI / 04-08 FXT Top Mount Intercooler Y-Pipe Kit Black | 090096
Only 1 leftRegular price $245.00Sale price $245.00 Regular priceUnit price per$245.00 -
In StockInjector Dynamics 02-14 WRX / 07-19 STI Top Feed ID1050X Power Package 1
Regular price From $643.00Sale price From $643.00 Regular priceUnit price per$643.00
![Turbo XS [15-21 WRX/STI] Billet Aluminum Radiator Stay - Red - JDMuscleRadiator AccessoriestxsW15-RADSTAY-RED](http://jdmuscleusa.com/cdn/shop/products/turbo-xs-15-21-wrxsti-billet-aluminum-radiator-stay-red-7805951.jpg?v=1789269556&width=220)
![Turbo XS [15-21 WRX/STI] Billet Aluminum Radiator Stay - Red - JDMuscleRadiator AccessoriestxsW15-RADSTAY-RED](http://jdmuscleusa.com/cdn/shop/products/turbo-xs-15-21-wrxsti-billet-aluminum-radiator-stay-red-8771606.jpg?v=1789269556&width=220)
![Company23 [08-21 STI] Standard Boost Control Solenoid| 530](http://jdmuscleusa.com/cdn/shop/products/company23-standard-boost-control-solenoid-subaru-sti-2008-2020-boost-control-solenoids-company23-cop-530.jpg?v=1614538775&width=220)
![Torque Solution [02-25 WRX, 04-21 STI] V3 Billet Pitch Stop Engine Mount | TS-SU-011](http://jdmuscleusa.com/cdn/shop/products/torque-solution-v3-billet-pitch-stop-engine-mount-subaru-wrx-2002-2014-sti-2004-2019-engine-mounts-torque-solution-black-tqsts-su-011.jpg?v=1614518869&width=220)
![Torque Solution [02-25 WRX, 04-21 STI] V3 Billet Pitch Stop Engine Mount | TS-SU-011](http://jdmuscleusa.com/cdn/shop/products/torque-solution-v3-billet-pitch-stop-engine-mount-subaru-wrx-2002-2014-sti-2004-2019-engine-mounts-torque-solution-2.jpg?v=1614676005&width=220)
