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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![Radium Engineering [08-21 WRX/STI, 05-09 LGT] V2 Fuel Hanger Plumbing Kit w/ Stainless Filter - JDMuscleFuel System Kitsrad20-0629-03](//jdmuscleusa.com/cdn/shop/products/radium-engineering-08-21-wrxsti-05-09-lgt-v2-fuel-hanger-plumbing-kit-w-stainless-filter-4925571.jpg?v=1781013619&width=220)
![Radium Engineering [08-21 WRX/STI, 05-09 LGT] V2 Fuel Hanger Plumbing Kit w/ Stainless Filter - JDMuscleFuel System Kitsrad20-0629-03](//jdmuscleusa.com/cdn/shop/products/radium-engineering-08-21-wrxsti-05-09-lgt-v2-fuel-hanger-plumbing-kit-w-stainless-filter-8152250.jpg?v=1781013618&width=220)
Up to $25 off
In StockRadium Engineering V2 Fuel Hanger Plumbing Kit w/ Stainless Filter
Fits: 08-21 WRX/STI, 05-09 LGT
Only 5 leftRegular price $474.95Sale price $474.95 Regular priceUnit price per$499.95 -
In StockGrimmspeed OVERTAKE BB500 Turbocharger Kit
Fits: 02-07 WRX, 04-21 STI
Only 1 leftRegular price $2,649.00Sale price $2,649.00 Regular priceUnit price per$2,649.00 -
![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 4 leftRegular price $108.00Sale price $108.00 Regular priceUnit price per$120.00 -
In StockETS 08-14 WRX / 04-21 STI V2 MaxFlow Header Exhaust Manifold | 200-10-EXM-PARENT
Only 9 leftRegular price $1,495.00Sale price $1,495.00 Regular priceUnit price per$1,495.00 -
![PLM Precision Works [08-14 WRX, 07-18 STI, 08-12 LGT, 08-13 FXT] Top Feed TGV Housing & Fuel Rail Kit - JDMuscleFuel RailsPW-TOP-FEED-FR-TGV-SUB-KIT](//jdmuscleusa.com/cdn/shop/products/plm-precision-works-08-14-wrx-07-18-sti-08-12-lgt-08-13-fxt-top-feed-tgv-housing-fuel-rail-kit-9379617.jpg?v=1786515612&width=220)
Up to $110 offPLM Precision Works Top Feed TGV Housing & Fuel Rail Kit
Fits: 08-14 WRX, 07-18 STI, 08-12 LGT, 08-13 FXT
Regular price $435.00Sale price $435.00 Regular priceUnit price per$545.00 -
Forced Performance Blue HTZ Turbocharger - Subaru Models | inc. 2002-2007 WRX / 2004+ STI | 2025050
Regular price $7,120.00Sale price $7,120.00 Regular priceUnit price per$7,120.00 -
In StockInjector Dynamics 02-14 WRX / 07-21 STI ID1050X Top Feed Fuel Injectors | 1050.48.11.WRX.4
Regular price $600.60Sale price $600.60 Regular priceUnit price per$600.60 -
Injector Dynamics 02-14 WRX / 07-21 STI Fuel Injectors Top Feed 1700cc | 1700.48.11.WRX.4
Regular price $1,218.00Sale price $1,218.00 Regular priceUnit price per$1,218.00 -
![Grimmspeed [08-21 STI] Electronic Boost Control Solenoid Cover Black | 112000.2 - JDMuscleBoost Control Solenoid Coversgrm112000.2](//jdmuscleusa.com/cdn/shop/products/grimmspeed-08-21-sti-electronic-boost-control-solenoid-cover-black-1120002-1721823.jpg?v=1786515851&width=220)
![Grimmspeed [08-21 STI] Electronic Boost Control Solenoid Cover Black | 112000.2 - JDMuscleBoost Control Solenoid Coversgrm112000.2](//jdmuscleusa.com/cdn/shop/products/grimmspeed-08-21-sti-electronic-boost-control-solenoid-cover-black-1120002-8208982.jpg?v=1786515851&width=220)
In StockGrimmspeed Electronic Boost Control Solenoid Cover Black | 112000.2
Fits: 08-21 STI
Only 1 leftRegular price $87.00Sale price $87.00 Regular priceUnit price per$87.00 -
In StockHKS 2 Layer Dry 200mm Red Replacement Filter Element - Universal
Regular price $29.00Sale price $29.00 Regular priceUnit price per$29.00 -
Up to $52.52 off
In StockGo Fast Bits Deceptor Pro II Electronically Adjustable Blow Off Valve | T9503
Fits: 02-07 WRX, 04-21 STI, 06-08 FXT
Only 4 leftRegular price $472.68Sale price $472.68 Regular priceUnit price per$525.20 -
Royal Purple Ultra Performance Grease - Universal
Regular price $20.00Sale price $20.00 Regular priceUnit price per$20.00 -
![Tomei [02-07 WRX, 04-21 STI, 04-08 FXT] Silicone Turbo Inlet Hose - Blue | TB301A-SB01A](//jdmuscleusa.com/cdn/shop/files/tomei-silicone-turbo-inlet-hose-blue-2002-2007-wrx-2004-2021-sti-2004-2008-fxt-tb301a-sb01a-237363_556x417_34b0da4a-8a6c-4abb-b20e-88640a1ae4a0.jpg?v=1690926590&width=220)
Up to $19 off
In StockTomei Silicone Turbo Inlet Hose - Blue | TB301A-SB01A
Fits: 02-07 WRX, 04-21 STI, 04-08 FXT
Only 5 leftRegular price $171.00Sale price $171.00 Regular priceUnit price per$190.00 -
In StockNRG Fender Washer Kit FW-200 Titanium Burn - Universal | FW-200TT
Only 2 leftRegular price $44.00Sale price $44.00 Regular priceUnit price per$44.00 -
In StockNRG Classic White Wood Glowing Green Grain Steering Wheel - Universal | ST-015BK-GL
Only 3 leftRegular price $160.00Sale price $160.00 Regular priceUnit price per$160.00 -
Up to $8.20 off
In StockGates Micro-V Belt
Fits: 02-14 WRX, 04-21 STI, 04-09 FXT
Only 17 leftRegular price $44.00Sale price $44.00 Regular priceUnit price per$52.20
![Radium Engineering [08-21 WRX/STI, 05-09 LGT] V2 Fuel Hanger Plumbing Kit w/ Stainless Filter - JDMuscleFuel System Kitsrad20-0629-03](http://jdmuscleusa.com/cdn/shop/products/radium-engineering-08-21-wrxsti-05-09-lgt-v2-fuel-hanger-plumbing-kit-w-stainless-filter-4925571.jpg?v=1781013619&width=220)
![Radium Engineering [08-21 WRX/STI, 05-09 LGT] V2 Fuel Hanger Plumbing Kit w/ Stainless Filter - JDMuscleFuel System Kitsrad20-0629-03](http://jdmuscleusa.com/cdn/shop/products/radium-engineering-08-21-wrxsti-05-09-lgt-v2-fuel-hanger-plumbing-kit-w-stainless-filter-8152250.jpg?v=1781013618&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)
![PLM Precision Works [08-14 WRX, 07-18 STI, 08-12 LGT, 08-13 FXT] Top Feed TGV Housing & Fuel Rail Kit - JDMuscleFuel RailsPW-TOP-FEED-FR-TGV-SUB-KIT](http://jdmuscleusa.com/cdn/shop/products/plm-precision-works-08-14-wrx-07-18-sti-08-12-lgt-08-13-fxt-top-feed-tgv-housing-fuel-rail-kit-9379617.jpg?v=1786515612&width=220)
![Grimmspeed [08-21 STI] Electronic Boost Control Solenoid Cover Black | 112000.2 - JDMuscleBoost Control Solenoid Coversgrm112000.2](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-08-21-sti-electronic-boost-control-solenoid-cover-black-1120002-1721823.jpg?v=1786515851&width=220)
![Grimmspeed [08-21 STI] Electronic Boost Control Solenoid Cover Black | 112000.2 - JDMuscleBoost Control Solenoid Coversgrm112000.2](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-08-21-sti-electronic-boost-control-solenoid-cover-black-1120002-8208982.jpg?v=1786515851&width=220)
![Tomei [02-07 WRX, 04-21 STI, 04-08 FXT] Silicone Turbo Inlet Hose - Blue | TB301A-SB01A](http://jdmuscleusa.com/cdn/shop/files/tomei-silicone-turbo-inlet-hose-blue-2002-2007-wrx-2004-2021-sti-2004-2008-fxt-tb301a-sb01a-237363_556x417_34b0da4a-8a6c-4abb-b20e-88640a1ae4a0.jpg?v=1690926590&width=220)
