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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In StockHKS 06-14 WRX / 04-21 STI Stainless Steel Equal Length Exhaust Manifold | 14019-AF002
Regular price $777.00Sale price $777.00 Regular priceUnit price per$777.00 -
![Gates [06-07 WRX, 04-19 STI, 05-09 LGT, 04-09 FXT] Timing Kit w/ Water Pump | TCKWP328](//jdmuscleusa.com/cdn/shop/products/gates-timing-kit-w-water-pump-wrx-2006-2007-sti-2004-2019-legacy-gt-2005-2009-forester-xt-2004-2009-tckwp328-timing-belt-components-gates-gattckwp328.jpg?v=1614528230&width=220)
In StockGates Timing Kit w/ Water Pump | TCKWP328
Fits: 06-07 WRX, 04-19 STI, 05-09 LGT, 04-09 FXT
Only 15 leftRegular price $431.00Sale price $431.00 Regular priceUnit price per$431.00 -
Up to $165 offPerrin Neon Yellow Air Oil Separator with Top Mount Intercooler | PSP-ENG-606NY
Fits: 08-14 WRX, 04-20 STI
Regular price $407.00Sale price $407.00 Regular priceUnit price per$572.00 -
In StockWalbro 450lph In-Tank Fuel Pump E85 Version F90000267 - Universal
Regular price From $128.99Sale price From $128.99 Regular priceUnit price per$0.00 -
Grimmspeed Up Pipe 3-Bolt Inlet - Subaru 2002-2014 WRX / 2004-21 STI / 2005-2009 LGT / 2004-2013 FXT | 007064
Regular price $393.00Sale price $393.00 Regular priceUnit price per$393.00 -
![Invidia [11-14 WRX, 08-14 STI HatchBack] R400 Gemini Cat Back Exhaust With Titanium Tips | HS08ST5GM4ST](//jdmuscleusa.com/cdn/shop/files/cf74a5c450dce2174bd793fe84ea13ee.png?v=1755297057&width=220)
Up to $926.40 off
In StockInvidia R400 Gemini Cat Back Exhaust With Titanium Tips | HS08ST5GM4ST
Fits: 11-14 WRX, 08-14 STI HatchBack
Only 6 leftRegular price $1,714.00Sale price $1,714.00 Regular priceUnit price per$2,640.40 -
Up to $12.30 off
In StockPerrin Oil Cap Round Style Black Most Subaru Models | PSP-ENG-711BK
Only 16 leftRegular price $69.70Sale price $69.70 Regular priceUnit price per$82.00 -
Up to $4.05 off
In StockMishimoto Carbon Fiber Radiator Cap - Universal
Only 11 leftRegular price $40.95Sale price $40.95 Regular priceUnit price per$45.00 -
Killer B Motorsport 02-14 WRX / 04-21 STI OG Style Oil Pickup | 070-110
Regular price $149.00Sale price $149.00 Regular priceUnit price per$149.00 -
Killer B Motorsport 02-14 WRX / 04-21 STI High Performance Oil Pan w/ OG Style Pick and Baffle Combo | PPBC
Regular price $681.00Sale price $681.00 Regular priceUnit price per$681.00 -
Up to $1 off
In StockCusco 12MM Exhaust Hanger
Fits: 08-21 WRX, 08-21 STI, 13-21 BRZ, 05-09 LGT, 08-11 Impreza
Regular price $11.00Sale price $11.00 Regular priceUnit price per$12.00 -
Up to $34 off
In StockAEM Electronics E85 High Flow In-Tank Fuel Pump - Universal | 50-1200
Regular price $134.95Sale price $134.95 Regular priceUnit price per$168.95 -
Up to $35.40 off
In StockARP 02-14 WRX / 02-21 STI Custom Age 625+ Head Stud Kit | 260-4704
Only 6 leftRegular price $620.00Sale price $620.00 Regular priceUnit price per$655.40 -
Up to $34 off
In StockInvidia 3in Downpipe to 2.5in Exhaust Adapter
Fits: 08-21 WRX/STI, 04-10 Forester
Regular price $64.00Sale price $64.00 Regular priceUnit price per$98.00 -
![Torque Solution [08 - 14 WRX, 08 - 21 STI] PNP Speed Density Kit - Stainless Bung | TS - WH - 499PS - JDMuscleEngine Management SensorstqsTS-WH-499PS](//jdmuscleusa.com/cdn/shop/products/torque-solution-08-14-wrx-08-21-sti-pnp-speed-density-kit-stainless-bung-ts-wh-499ps-5839578.jpg?v=1770330487&width=220)
Up to $6.10 offTorque Solution PNP Speed Density Kit - Stainless Bung
Fits: 08-14 WRX, 08-21 STI
Regular price $95.00Sale price $95.00 Regular priceUnit price per$101.10 -
![Subaru OEM Intake Manifold to TGV Gasket [Most Subaru Models] | 14075AA161](//jdmuscleusa.com/cdn/shop/products/SUB14075AA161.jpg?v=1669935312&width=220)
Subaru OEM Intake Manifold to TGV Gasket | 14075AA161
Fits: Most Subaru Models
Regular price $9.88Sale price $9.88 Regular priceUnit price per$9.88
![Gates [06-07 WRX, 04-19 STI, 05-09 LGT, 04-09 FXT] Timing Kit w/ Water Pump | TCKWP328](http://jdmuscleusa.com/cdn/shop/products/gates-timing-kit-w-water-pump-wrx-2006-2007-sti-2004-2019-legacy-gt-2005-2009-forester-xt-2004-2009-tckwp328-timing-belt-components-gates-gattckwp328.jpg?v=1614528230&width=220)
![Invidia [11-14 WRX, 08-14 STI HatchBack] R400 Gemini Cat Back Exhaust With Titanium Tips | HS08ST5GM4ST](http://jdmuscleusa.com/cdn/shop/files/cf74a5c450dce2174bd793fe84ea13ee.png?v=1755297057&width=220)
![Torque Solution [08 - 14 WRX, 08 - 21 STI] PNP Speed Density Kit - Stainless Bung | TS - WH - 499PS - JDMuscleEngine Management SensorstqsTS-WH-499PS](http://jdmuscleusa.com/cdn/shop/products/torque-solution-08-14-wrx-08-21-sti-pnp-speed-density-kit-stainless-bung-ts-wh-499ps-5839578.jpg?v=1770330487&width=220)
![Subaru OEM Intake Manifold to TGV Gasket [Most Subaru Models] | 14075AA161](http://jdmuscleusa.com/cdn/shop/products/SUB14075AA161.jpg?v=1669935312&width=220)