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
-
Subaru Valve Lifter Baja 2004-2006 / Forester 2004-2013 / Impreza 2003-2010 / Legacy 2005-2012 / Outback 2005-2009 / STI 2004-21 / WRX 2003-21 | 13228AB192
Regular price $31.66Sale price $31.66 Regular priceUnit price per$31.66 -
Subaru Valve Lifter Baja 2004-2006 / Forester 2004-2013 / Impreza 2003-2010 / Legacy 2005-2012 / Outback 2005-2009 / STI 2004-21 / WRX 2003-21 | 13228AB262
Regular price $31.66Sale price $31.66 Regular priceUnit price per$31.66 -
Subaru Valve Lifter Baja 2004-2006 / Forester 2004-2013 / Impreza 2003-2010 / Legacy 2005-2012 / Outback 2005-2009 / STI 2004-21 / WRX 2003-21 | 13228AB292
Regular price $31.66Sale price $31.66 Regular priceUnit price per$31.66 -
Brian Crower Stroker Kit 83mm Billet Crank/ProH2K Rods 5.141in Custom Pistons Subaru EJ257 STI 2004-2017 | BC0629
Regular price $3,805.00Sale price $3,805.00 Regular priceUnit price per$3,805.00 -
Up to $0.99 off
In StockTorque Solution Crank Pulley Tool Subaru Impreza 1993-21/ WRX 2002-21 / STI 2004-2020 / Forester XT 1998-2010 / Legacy GT 1994-2011 / Outback XT 1994-2011 / 9-2X Aero Turbo 2005-2006 / BRZ 2012+ / Toyota GT86 2012+ / Scion FR-S 2012+ | TS-TL-703
Only 2 leftRegular price $69.00Sale price $69.00 Regular priceUnit price per$69.99 -
In StockKartboy EJ Alternator Cover Aluminum Subaru 2002-2014 WRX / 2004-21 STI / 2004-2013 Forester | KB-100-EJ-Alt-Alum
Only 3 leftRegular price $100.00Sale price $100.00 Regular priceUnit price per$100.00 -
![Injen [08-14 WRX, 08+ STI, 09-11 FXT] Downpipe Catted Divorced Wastegate | SES1205DP - JDMuscleFront Pipes and Downpipes / J-PipesinjSES1205DP](//jdmuscleusa.com/cdn/shop/products/injen-08-14-wrx-08-sti-09-11-fxt-downpipe-catted-divorced-wastegate-ses1205dp-7488538.jpg?v=1781013625&width=220)
![Injen [08-14 WRX, 08+ STI, 09-11 FXT] Downpipe Catted Divorced Wastegate | SES1205DP - JDMuscleFront Pipes and Downpipes / J-PipesinjSES1205DP](//jdmuscleusa.com/cdn/shop/products/injen-08-14-wrx-08-sti-09-11-fxt-downpipe-catted-divorced-wastegate-ses1205dp-2152053.jpg?v=1781013625&width=220)
Injen Downpipe Catted Divorced Wastegate | SES1205DP
Fits: 08-14 WRX, 08+ STI, 09-11 FXT
Regular price $664.95Sale price $664.95 Regular priceUnit price per$664.95 -
DeatschWerks X2 Series Pump Module CPE Plumbing Kit for WRX 2008+ / STI 2008+ | dwk6-615
Regular price $749.00Sale price $749.00 Regular priceUnit price per$749.00 -
DeatschWerks X2 Series Pump Module PTFE Return Plumbing Kit WRX 2008-2014 / STI 2008-21 | dwk6-616
Regular price $849.00Sale price $849.00 Regular priceUnit price per$849.00 -
Torque Solution Fixed Wastegate Bracket WRX 2008-2014 / STI 2004-21 w/ IHI VF Turbo | TS-SU-436.2
Regular price $38.00Sale price $38.00 Regular priceUnit price per$38.00 -
Grimmspeed Turbocharger Replacement Oil Line Kit EJ Models | 123000
Regular price $121.00Sale price $121.00 Regular priceUnit price per$121.00 -
![Perrin [15-21 WRX] Oil Cooler Kit w/PERRIN Core - JDMuscleOil Control DevicesperPSP-OIL-111](//jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-oil-cooler-kit-wperrin-core-1437545.jpg?v=1781013744&width=220)
![Perrin [15-21 WRX] Oil Cooler Kit w/PERRIN Core - JDMuscleOil Control DevicesperPSP-OIL-111](//jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-oil-cooler-kit-wperrin-core-1858386.jpg?v=1781013744&width=220)
Up to $159.90 off
In StockPerrin Oil Cooler Kit w/PERRIN Core
Fits: 15-21 WRX
Only 11 leftRegular price $906.10Sale price $906.10 Regular priceUnit price per$1,066.00 -
Subaru OEM IHI VF48 Turbocharger Subaru STI 2008+ | 14411AA700
Regular price $2,404.61Sale price $2,404.61 Regular priceUnit price per$2,404.61 -
FactionFab 11-14 WRX/STI Sedan Axle Back Exhaust Black Tip | 1.10111.3
Regular price $439.20Sale price $439.20 Regular priceUnit price per$395.00 -
FactionFab Axle Back Exhaust Burnt Tip WRX/STI 2011-2014 Sedan | FFA1.10111.2
Regular price $476.40Sale price $476.40 Regular priceUnit price per$430.00 -
![Tomei [02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT] Timing Belt Guide | TOMTB103A-SB01A - JDMuscleTiming Belt ComponentsTOMTB103A-SB01A](//jdmuscleusa.com/cdn/shop/products/tomei-02-14-wrx-04-21-sti-05-12-lgt-04-13-fxt-timing-belt-guide-tomtb103a-sb01a-5722131.jpg?v=1781014151&width=220)
![Tomei [02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT] Timing Belt Guide | TOMTB103A-SB01A - JDMuscleTiming Belt ComponentsTOMTB103A-SB01A](//jdmuscleusa.com/cdn/shop/files/tomei-02-14-wrx-04-21-sti-05-12-lgt-04-13-fxt-timing-belt-guide-tomtb103a-sb01a-1159463.webp?v=1781014151&width=220)
Up to $5 off
In StockTomei Timing Belt Guide | TOMTB103A-SB01A
Fits: 02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT
Only 5 leftRegular price $45.00Sale price $45.00 Regular priceUnit price per$50.00
![Injen [08-14 WRX, 08+ STI, 09-11 FXT] Downpipe Catted Divorced Wastegate | SES1205DP - JDMuscleFront Pipes and Downpipes / J-PipesinjSES1205DP](http://jdmuscleusa.com/cdn/shop/products/injen-08-14-wrx-08-sti-09-11-fxt-downpipe-catted-divorced-wastegate-ses1205dp-7488538.jpg?v=1781013625&width=220)
![Injen [08-14 WRX, 08+ STI, 09-11 FXT] Downpipe Catted Divorced Wastegate | SES1205DP - JDMuscleFront Pipes and Downpipes / J-PipesinjSES1205DP](http://jdmuscleusa.com/cdn/shop/products/injen-08-14-wrx-08-sti-09-11-fxt-downpipe-catted-divorced-wastegate-ses1205dp-2152053.jpg?v=1781013625&width=220)
![Perrin [15-21 WRX] Oil Cooler Kit w/PERRIN Core - JDMuscleOil Control DevicesperPSP-OIL-111](http://jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-oil-cooler-kit-wperrin-core-1437545.jpg?v=1781013744&width=220)
![Perrin [15-21 WRX] Oil Cooler Kit w/PERRIN Core - JDMuscleOil Control DevicesperPSP-OIL-111](http://jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-oil-cooler-kit-wperrin-core-1858386.jpg?v=1781013744&width=220)
![Tomei [02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT] Timing Belt Guide | TOMTB103A-SB01A - JDMuscleTiming Belt ComponentsTOMTB103A-SB01A](http://jdmuscleusa.com/cdn/shop/products/tomei-02-14-wrx-04-21-sti-05-12-lgt-04-13-fxt-timing-belt-guide-tomtb103a-sb01a-5722131.jpg?v=1781014151&width=220)
![Tomei [02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT] Timing Belt Guide | TOMTB103A-SB01A - JDMuscleTiming Belt ComponentsTOMTB103A-SB01A](http://jdmuscleusa.com/cdn/shop/files/tomei-02-14-wrx-04-21-sti-05-12-lgt-04-13-fxt-timing-belt-guide-tomtb103a-sb01a-1159463.webp?v=1781014151&width=220)