Optimize your Subaru STI 2008-2014 engine's performance with a comprehensive range of top-quality aftermarket parts from industry-leading brands. Elevate the power and efficiency of your vehicle with ETS, HKS, Perrin, Mishimoto, AMS, Grimmspeed, Cobb, Remark, PLM, Turbosmart, IAG Performance, and more. Enhance airflow and filtration through AIR INTAKE DUCTS and COLD AIR INTAKES, while maintaining engine cleanliness with AIR OIL SEPARATORS and CATCH CANS. Experience impeccable control and responsiveness with BLOW OFF VALVES and BOOST CONTROL SOLENOID COVERS, complemented by the reliability of ENGINE MOUNTS and meticulously crafted ENGINE MANAGEMENT HARNESSES. Simplify maintenance and improve overall performance with DIPSTICKS and explore comprehensive ENGINE PACKAGE DEALS for a holistic approach to upgrading your Subaru WRX's engine. Unleash the full potential of your vehicle through precision-engineered components designed to deliver both power and durability, all meticulously designed to give your Subaru STI the edge on the road or track.
2008-2014 Subaru WRX STI Engine Parts
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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 -
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 -
![Invidia [08-14 WRX/STI Hatchback] N1 Street Burnt Titanium Tip Cat Back Exhaust | HS08SW5GTT](//jdmuscleusa.com/cdn/shop/products/invidia-n1-street-burnt-titanium-tip-cat-back-exhaust-subaru-wrx-sti-2008-2014-hatchback-hs08sw5gtt-cat-back-exhaust-system-invidia-invhs08sw5gtt.jpg?v=1614516948&width=220)
Up to $445.84 off
In StockInvidia N1 Street Cat-Back Exhaust - Burnt Titanium Tip
Fits: 08-14 WRX/STI Hatchback
Only 5 leftRegular price $983.00Sale price $983.00 Regular priceUnit price per$1,428.84 -
Up to $15 off
In StockAEM Fuel Pump 340lph - Universal
Regular price $117.95Sale price $117.95 Regular priceUnit price per$132.95 -
Up to $0.25 off
In StockRadium Engineering 1/8 NPT Plug - Universal
Only 4 leftRegular price $4.70Sale price $4.70 Regular priceUnit price per$4.95 -
Up to $0.50 off
In StockRadium Engineering Fitting- 6AN ORB TO 5/16 BARB - Universal
Only 17 leftRegular price $9.45Sale price $9.45 Regular priceUnit price per$9.95 -
Up to $13.50 offRadium Engineering Fuel Pressure Regulator Kit Black | 20-0265-00
Fits: 08-21 STI
Regular price $256.45Sale price $256.45 Regular priceUnit price per$269.95 -
Company23 Torque Plate WRX/STI / LGT / FXT EJ25
Regular price $309.00Sale price $309.00 Regular priceUnit price per$309.00 -
Up to $14.21 off
In StockTorque Solution Silicone Radiator Hose Kit Black 08-14 WRX / 08-21 STI |TS-SU-420BK
Only 18 leftRegular price $108.00Sale price $108.00 Regular priceUnit price per$122.21 -
![Moroso [02-07 WRX, 04-19 STI, 04-08 FXT] Aluminum Coolant Expansion Tank - JDMuscleOverflow / Expansion Tanksmor63784](//jdmuscleusa.com/cdn/shop/products/moroso-02-07-wrx-04-19-sti-04-08-fxt-aluminum-coolant-expansion-tank-8680274.jpg?v=1781013312&width=220)
In StockMoroso Aluminum Coolant Expansion Tank
Fits: 02-07 WRX, 04-19 STI, 04-08 FXT
Only 7 leftRegular price $220.99Sale price $220.99 Regular priceUnit price per$220.99 -
Up to $21.05 off
In StockMishimoto Ignition Coil Set - 4-Pack for Improved Engine Performance
Fits: 04-10 WRX/STI
Only 8 leftRegular price $205.95Sale price $205.95 Regular priceUnit price per$227.00 -
In StockDeatschwerks 1000cc Bosch EV14 Fuel Injectors
Fits: 02-14 WRX, 07-21 STI, 07-12 LGT
Only 9 leftRegular price $469.00Sale price $469.00 Regular priceUnit price per$469.00 -
In StockOVERTAKE TMIC Silicone Coupler Kit - 2004-2021 STI, 2002-2007 WRX, 2004-2008 Forester XT w/ STI Style TMIC
Regular price $88.00Sale price $88.00 Regular priceUnit price per$88.00 -
![Cobb [Subaru] Silicone Exhaust Hanger 12mm x 35mm - JDMuscleExhaust HangerscobbUNI-001-272](//jdmuscleusa.com/cdn/shop/files/cobb-subaru-silicone-exhaust-hanger-12mm-x-35mm-3590037.jpg?v=1770322211&width=220)
In StockCobb Tuning Silicone Exhaust Hanger 12mm x 35mm
Fits: 08-26 WRX, 08-21 STI, 12-26 BRZ/GR86/FR-S, 05-09 Legacy GT/Outback XT, 14-18 Forester XT
Regular price $20.00Sale price $20.00 Regular priceUnit price per$20.00
![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)
![Invidia [08-14 WRX/STI Hatchback] N1 Street Burnt Titanium Tip Cat Back Exhaust | HS08SW5GTT](http://jdmuscleusa.com/cdn/shop/products/invidia-n1-street-burnt-titanium-tip-cat-back-exhaust-subaru-wrx-sti-2008-2014-hatchback-hs08sw5gtt-cat-back-exhaust-system-invidia-invhs08sw5gtt.jpg?v=1614516948&width=220)
![Moroso [02-07 WRX, 04-19 STI, 04-08 FXT] Aluminum Coolant Expansion Tank - JDMuscleOverflow / Expansion Tanksmor63784](http://jdmuscleusa.com/cdn/shop/products/moroso-02-07-wrx-04-19-sti-04-08-fxt-aluminum-coolant-expansion-tank-8680274.jpg?v=1781013312&width=220)
![Cobb [Subaru] Silicone Exhaust Hanger 12mm x 35mm - JDMuscleExhaust HangerscobbUNI-001-272](http://jdmuscleusa.com/cdn/shop/files/cobb-subaru-silicone-exhaust-hanger-12mm-x-35mm-3590037.jpg?v=1770322211&width=220)