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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![Tomei [06-14 WRX / 04+ STI] Head Gaskets 101.0 Bore 1.5MM Thickness | TOMTA4070-SB02D - JDMuscleHead GasketsTOMTA4070-SB02D](//jdmuscleusa.com/cdn/shop/products/tomei-06-14-wrx-04-sti-head-gaskets-1010-bore-15mm-thickness-tomta4070-sb02d-7740407.jpg?v=1781014150&width=220)
![Tomei [06-14 WRX / 04+ STI] Head Gaskets 101.0 Bore 1.5MM Thickness | TOMTA4070-SB02D - JDMuscleHead GasketsTOMTA4070-SB02D](//jdmuscleusa.com/cdn/shop/products/tomei-06-14-wrx-04-sti-head-gaskets-1010-bore-15mm-thickness-tomta4070-sb02d-8685208.jpg?v=1781014150&width=220)
Up to $12 off
In StockTomei Head Gaskets 101.0 Bore 1.5MM Thickness | TOMTA4070-SB02D
Fits: 06-14 WRX / 04+ STI
Only 5 leftRegular price $108.00Sale price $108.00 Regular priceUnit price per$120.00 -
![Tomei [06-14 WRX/04-21 STI] Head Gasket 101.0mm 1.0mm | TOMTA4070-SB02B - JDMuscleHead GasketsTOMTA4070-SB02B](//jdmuscleusa.com/cdn/shop/products/tomei-06-14-wrx04-21-sti-head-gasket-1010mm-10mm-tomta4070-sb02b-3302562.jpg?v=1781014150&width=220)
![Tomei [06-14 WRX/04-21 STI] Head Gasket 101.0mm 1.0mm | TOMTA4070-SB02B - JDMuscleHead GasketsTOMTA4070-SB02B](//jdmuscleusa.com/cdn/shop/products/tomei-06-14-wrx04-21-sti-head-gasket-1010mm-10mm-tomta4070-sb02b-5420424.jpg?v=1781014150&width=220)
Up to $12 off
In StockTomei Head Gasket 101.0mm 1.0mm | TOMTA4070-SB02B
Fits: 06-14 WRX/04-21 STI
Only 5 leftRegular price $108.00Sale price $108.00 Regular priceUnit price per$120.00 -
![Tomei [06-14 WRX / 04-21 STI / 05-09 LGT] Head Gasket .7mm Pair | TOMTA4070-SB02A - JDMuscleHead GasketsTOMTA4070-SB02A](//jdmuscleusa.com/cdn/shop/products/tomei-06-14-wrx-04-21-sti-05-09-lgt-head-gasket-7mm-pair-tomta4070-sb02a-3090235.jpg?v=1781014153&width=220)
![Tomei [06-14 WRX / 04-21 STI / 05-09 LGT] Head Gasket .7mm Pair | TOMTA4070-SB02A - JDMuscleHead GasketsTOMTA4070-SB02A](//jdmuscleusa.com/cdn/shop/products/tomei-06-14-wrx-04-21-sti-05-09-lgt-head-gasket-7mm-pair-tomta4070-sb02a-3109086.jpg?v=1781014154&width=220)
Up to $12 off
In StockTomei Head Gasket .7mm Pair | TOMTA4070-SB02A
Fits: 06-14 WRX / 04-21 STI / 05-09 LGT
Only 2 leftRegular price $108.00Sale price $108.00 Regular priceUnit price per$120.00 -
Up to $20 off
In StockTomei Timing Belt Subaru 2002-2014 WRX / 2004+ STI | TOMTB101A-SB01A
Only 5 leftRegular price $180.00Sale price $180.00 Regular priceUnit price per$200.00 -
Up to $48 off
In StockTomei Race Spec +1mm Intake/Exhaust Valve Set WRX 2002-2014 / STI 2004+ | TOMTA303A-SB01A
Only 5 leftRegular price $432.00Sale price $432.00 Regular priceUnit price per$480.00 -
![Forced Performance [02-07 WRX, 04-21 STI, 04-08 FXT] 84mm Turbo Inlet | 8005010A - JDMuscleTurbo Inlet Hoses and PipesFPT8005010A](//jdmuscleusa.com/cdn/shop/products/forced-performance-02-07-wrx-04-21-sti-04-08-fxt-84mm-turbo-inlet-8005010a-8075027.jpg?v=1781014154&width=220)
Forced Performance 84mm Turbo Inlet | 8005010A
Fits: 02-07 WRX, 04-21 STI, 04-08 FXT
Regular price $1,022.00Sale price $1,022.00 Regular priceUnit price per$1,022.00 -
Killer B Motorsport 02-14 WRX / 04-21 STI Super G Series Cast High Performance Oil Pan | EJ25PAN-G
Regular price $714.00Sale price $714.00 Regular priceUnit price per$714.00 -
In StockInjector Dynamics 02-14 WRX / 07-21 STI / 07-09 LGT / 06-08 FXT Fuel Injectors Top Feed 2600-XDS | 2600.48.11.WRX.4
Only 3 leftRegular price $1,593.90Sale price $1,593.90 Regular priceUnit price per$1,593.90 -
![Perrin [19-21 WRX STI] Panel Filter | PSP-INT-114 - JDMuscleHigh Flow Replacement Panel FiltersperPSP-INT-114](//jdmuscleusa.com/cdn/shop/products/perrin-19-21-wrx-sti-panel-filter-psp-int-114-5723015.jpg?v=1786515788&width=220)
![Perrin [19-21 WRX STI] Panel Filter | PSP-INT-114 - JDMuscleHigh Flow Replacement Panel FiltersperPSP-INT-114](//jdmuscleusa.com/cdn/shop/products/perrin-19-21-wrx-sti-panel-filter-psp-int-114-9019895.jpg?v=1786515788&width=220)
Up to $11.40 off
In StockPerrin Panel Filter | PSP-INT-114
Fits: 19-21 WRX STI
Only 9 leftRegular price $64.60Sale price $64.60 Regular priceUnit price per$76.00 -
Up to $23.70 offPerrin Crank Pulley W/o AC Only Blue For Ej Engines WRX 2002-2014/ Outback 1995-2009/ Outback XT 2005-2009 / Forester 2003-2010/ Forester XT 2003-2013 /Legacy 1994-2009 / STI 2004-21/ Impreza 1993-2011 | PSP-ENG-102BL
Regular price $134.30Sale price $134.30 Regular priceUnit price per$158.00 -
GrimmSpeed Fender Shroud - Red WRX/STI 2008-2014 | 096059
Regular price $124.00Sale price $124.00 Regular priceUnit price per$124.00 -
Grimmspeed 08-14 WRX/STI / 18-21 STI Post MAF Hose Kit Red | 125012
Regular price $121.00Sale price $121.00 Regular priceUnit price per$121.00 -
Grimmspeed 08-21 STI Electronic Boost Control Solenoid Cover Hi-Vis Neon Yellow | 112000.3
Regular price $88.00Sale price $88.00 Regular priceUnit price per$88.00 -
Up to $20.25 off
In StockPERRIN 08-14 WRX / 08-14 STI Fender Shrouds - Black | PSP-ENG-549BK
Only 6 leftRegular price $114.75Sale price $114.75 Regular priceUnit price per$135.00 -
In StockHKS 2 Layer Dry 200mm Red Replacement Filter Element - Universal | 70001-AK032
Regular price $29.00Sale price $29.00 Regular priceUnit price per$29.00 -
Up to $10 off
In StockCSF Universal Drag Race / Tuck Radiator w/9in Spal Fan - 10.5in H x 10in L x 3.6in W
Only 6 leftRegular price $569.00Sale price $569.00 Regular priceUnit price per$579.00
![Tomei [06-14 WRX / 04+ STI] Head Gaskets 101.0 Bore 1.5MM Thickness | TOMTA4070-SB02D - JDMuscleHead GasketsTOMTA4070-SB02D](http://jdmuscleusa.com/cdn/shop/products/tomei-06-14-wrx-04-sti-head-gaskets-1010-bore-15mm-thickness-tomta4070-sb02d-7740407.jpg?v=1781014150&width=220)
![Tomei [06-14 WRX / 04+ STI] Head Gaskets 101.0 Bore 1.5MM Thickness | TOMTA4070-SB02D - JDMuscleHead GasketsTOMTA4070-SB02D](http://jdmuscleusa.com/cdn/shop/products/tomei-06-14-wrx-04-sti-head-gaskets-1010-bore-15mm-thickness-tomta4070-sb02d-8685208.jpg?v=1781014150&width=220)
![Tomei [06-14 WRX/04-21 STI] Head Gasket 101.0mm 1.0mm | TOMTA4070-SB02B - JDMuscleHead GasketsTOMTA4070-SB02B](http://jdmuscleusa.com/cdn/shop/products/tomei-06-14-wrx04-21-sti-head-gasket-1010mm-10mm-tomta4070-sb02b-3302562.jpg?v=1781014150&width=220)
![Tomei [06-14 WRX/04-21 STI] Head Gasket 101.0mm 1.0mm | TOMTA4070-SB02B - JDMuscleHead GasketsTOMTA4070-SB02B](http://jdmuscleusa.com/cdn/shop/products/tomei-06-14-wrx04-21-sti-head-gasket-1010mm-10mm-tomta4070-sb02b-5420424.jpg?v=1781014150&width=220)
![Tomei [06-14 WRX / 04-21 STI / 05-09 LGT] Head Gasket .7mm Pair | TOMTA4070-SB02A - JDMuscleHead GasketsTOMTA4070-SB02A](http://jdmuscleusa.com/cdn/shop/products/tomei-06-14-wrx-04-21-sti-05-09-lgt-head-gasket-7mm-pair-tomta4070-sb02a-3090235.jpg?v=1781014153&width=220)
![Tomei [06-14 WRX / 04-21 STI / 05-09 LGT] Head Gasket .7mm Pair | TOMTA4070-SB02A - JDMuscleHead GasketsTOMTA4070-SB02A](http://jdmuscleusa.com/cdn/shop/products/tomei-06-14-wrx-04-21-sti-05-09-lgt-head-gasket-7mm-pair-tomta4070-sb02a-3109086.jpg?v=1781014154&width=220)
![Forced Performance [02-07 WRX, 04-21 STI, 04-08 FXT] 84mm Turbo Inlet | 8005010A - JDMuscleTurbo Inlet Hoses and PipesFPT8005010A](http://jdmuscleusa.com/cdn/shop/products/forced-performance-02-07-wrx-04-21-sti-04-08-fxt-84mm-turbo-inlet-8005010a-8075027.jpg?v=1781014154&width=220)
![Perrin [19-21 WRX STI] Panel Filter | PSP-INT-114 - JDMuscleHigh Flow Replacement Panel FiltersperPSP-INT-114](http://jdmuscleusa.com/cdn/shop/products/perrin-19-21-wrx-sti-panel-filter-psp-int-114-5723015.jpg?v=1786515788&width=220)
![Perrin [19-21 WRX STI] Panel Filter | PSP-INT-114 - JDMuscleHigh Flow Replacement Panel FiltersperPSP-INT-114](http://jdmuscleusa.com/cdn/shop/products/perrin-19-21-wrx-sti-panel-filter-psp-int-114-9019895.jpg?v=1786515788&width=220)
