Optimize your Subaru WRX 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 WRX the edge on the road or track.
2008-2014 Subaru WRX Engine Parts
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In StockGrimmSpeed 2-Bolt Up-Pipe for EJ25 Engines
Only 2 leftRegular price From $245.65Sale price From $245.65 Regular priceUnit price per -
![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 -
![Perrin [08 - 21 STI] Boost Solenoid Cover Hyper Pink | PSP - ENG - 161HP - JDMuscleBoost Control Solenoid CoversperPSP-ENG-161HP](//jdmuscleusa.com/cdn/shop/files/perrin-08-21-sti-boost-solenoid-cover-hyper-pink-psp-eng-161hp-9111797.jpg?v=1770327864&width=220)
![Perrin [08 - 21 STI] Boost Solenoid Cover Hyper Pink | PSP - ENG - 161HP - JDMuscleBoost Control Solenoid CoversperPSP-ENG-161HP](//jdmuscleusa.com/cdn/shop/files/perrin-08-21-sti-boost-solenoid-cover-hyper-pink-psp-eng-161hp-2631792.jpg?v=1770327865&width=220)
Up to $12 off
In StockPerrin Boost Solenoid Cover Hyper Pink | PSP-ENG-161HP
Fits: 08-21 STI
Only 4 leftRegular price $68.00Sale price $68.00 Regular priceUnit price per$80.00 -
In StockIAG Performance Replacement Blow Off Valve Elbow Black
Fits: 02-07 WRX, 04-21 STI
Only 1 leftRegular price $59.99Sale price $59.99 Regular priceUnit price per$59.99 -
![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 -
![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 -
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 StockGrimmSpeed Top Mount Intercooler Thermal - Black
Fits: 02-07 WRX, 04-21 STI, 04-08 FXT
Only 1 leftRegular price $1,065.00Sale price $1,065.00 Regular priceUnit price per$1,065.00 -
In StockCOBB EJ Turbo Blanket - Black Lava
Fits: 02-14 WRX, 04-21 STI, 09-10 2.5 GT, 04-13 Forester XT, 05-09 Legacy/Outback XT
Only 6 leftRegular price $217.00Sale price $217.00 Regular priceUnit price per$217.00 -
In StockCobb Tuning Fuel Rails / Line Kit Package
Fits: 08-21 STI
Regular price $808.00Sale price $808.00 Regular priceUnit price per$808.00 -
![COBB [02 - 07 WRX, 04 - 21 STI, 04 - 08 FXT] Turbo Heat Shield | 512510 - JDMuscleExhaust Heat Shieldscobb512510](//jdmuscleusa.com/cdn/shop/products/cobb-02-07-wrx-04-21-sti-04-08-fxt-turbo-heat-shield-512510-9973074.jpg?v=1770336438&width=220)
![COBB [02 - 07 WRX, 04 - 21 STI, 04 - 08 FXT] Turbo Heat Shield | 512510 - JDMuscleExhaust Heat Shieldscobb512510](//jdmuscleusa.com/cdn/shop/products/cobb-02-07-wrx-04-21-sti-04-08-fxt-turbo-heat-shield-512510-8795408.jpg?v=1770336438&width=220)
In StockCobb Tuning Turbo Heat Shield - Stainless Steel
Fits: 02-07 WRX, 04-21 STI, 04-08 Forester XT
Only 18 leftRegular price $101.00Sale price $101.00 Regular priceUnit price per$101.00 -
Cobb Tuning Fuel System Upgrade Package
Fits: 08-21 STI
Regular price $1,903.00Sale price $1,903.00 Regular priceUnit price per$1,903.00 -
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 -
Up to $3.05 off
In StockMishimoto Aluminum Radiator Stay
Fits: 08-14 WRX/STI
Only 4 leftRegular price From $30.95Sale price From $30.95 Regular priceUnit price per$34.00 -
![CSF [08 - 21 WRX/STI] 2 - Row 42mm Race - Spec All Aluminum Radiator - Black | 7095B - JDMuscleRadiatorscsf7095B](//jdmuscleusa.com/cdn/shop/files/csf-08-21-wrxsti-2-row-42mm-race-spec-all-aluminum-radiator-black-7095b-8634755.jpg?v=1770324975&width=220)
![CSF [08 - 21 WRX/STI] 2 - Row 42mm Race - Spec All Aluminum Radiator - Black | 7095B - JDMuscleRadiatorscsf7095B](//jdmuscleusa.com/cdn/shop/files/csf-08-21-wrxsti-2-row-42mm-race-spec-all-aluminum-radiator-black-7095b-6844231.jpg?v=1770324975&width=220)
Up to $24 off
In StockCSF 2-Row 42mm Race-Spec All Aluminum Radiator - Black | 7095B
Fits: 08-21 WRX/STI
Only 15 leftRegular price $485.00Sale price $485.00 Regular priceUnit price per$509.00 -
![Turbo XS [08-14 WRX/STI, 05-09 LGT] High Flow Catalytic Converter Pipe - JDMuscleFront Pipes and Downpipes / J-PipestxsWS08-CP-V2](//jdmuscleusa.com/cdn/shop/products/turbo-xs-08-14-wrxsti-05-09-lgt-high-flow-catalytic-converter-pipe-2003708.jpg?v=1789268228&width=220)
![Turbo XS [08-14 WRX/STI, 05-09 LGT] High Flow Catalytic Converter Pipe - JDMuscleFront Pipes and Downpipes / J-PipestxsWS08-CP-V2](//jdmuscleusa.com/cdn/shop/products/turbo-xs-08-14-wrxsti-05-09-lgt-high-flow-catalytic-converter-pipe-8592506.png?v=1789268229&width=220)
Up to $85.54 off
In StockTurbo XS High Flow Catalytic Converter Pipe
Fits: 08-14 WRX/STI, 05-09 LGT
Regular price $242.00Sale price $242.00 Regular priceUnit price per$327.54
![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)
![Perrin [08 - 21 STI] Boost Solenoid Cover Hyper Pink | PSP - ENG - 161HP - JDMuscleBoost Control Solenoid CoversperPSP-ENG-161HP](http://jdmuscleusa.com/cdn/shop/files/perrin-08-21-sti-boost-solenoid-cover-hyper-pink-psp-eng-161hp-9111797.jpg?v=1770327864&width=220)
![Perrin [08 - 21 STI] Boost Solenoid Cover Hyper Pink | PSP - ENG - 161HP - JDMuscleBoost Control Solenoid CoversperPSP-ENG-161HP](http://jdmuscleusa.com/cdn/shop/files/perrin-08-21-sti-boost-solenoid-cover-hyper-pink-psp-eng-161hp-2631792.jpg?v=1770327865&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)
![COBB [02 - 07 WRX, 04 - 21 STI, 04 - 08 FXT] Turbo Heat Shield | 512510 - JDMuscleExhaust Heat Shieldscobb512510](http://jdmuscleusa.com/cdn/shop/products/cobb-02-07-wrx-04-21-sti-04-08-fxt-turbo-heat-shield-512510-9973074.jpg?v=1770336438&width=220)
![COBB [02 - 07 WRX, 04 - 21 STI, 04 - 08 FXT] Turbo Heat Shield | 512510 - JDMuscleExhaust Heat Shieldscobb512510](http://jdmuscleusa.com/cdn/shop/products/cobb-02-07-wrx-04-21-sti-04-08-fxt-turbo-heat-shield-512510-8795408.jpg?v=1770336438&width=220)
![CSF [08 - 21 WRX/STI] 2 - Row 42mm Race - Spec All Aluminum Radiator - Black | 7095B - JDMuscleRadiatorscsf7095B](http://jdmuscleusa.com/cdn/shop/files/csf-08-21-wrxsti-2-row-42mm-race-spec-all-aluminum-radiator-black-7095b-8634755.jpg?v=1770324975&width=220)
![CSF [08 - 21 WRX/STI] 2 - Row 42mm Race - Spec All Aluminum Radiator - Black | 7095B - JDMuscleRadiatorscsf7095B](http://jdmuscleusa.com/cdn/shop/files/csf-08-21-wrxsti-2-row-42mm-race-spec-all-aluminum-radiator-black-7095b-6844231.jpg?v=1770324975&width=220)
![Turbo XS [08-14 WRX/STI, 05-09 LGT] High Flow Catalytic Converter Pipe - JDMuscleFront Pipes and Downpipes / J-PipestxsWS08-CP-V2](http://jdmuscleusa.com/cdn/shop/products/turbo-xs-08-14-wrxsti-05-09-lgt-high-flow-catalytic-converter-pipe-2003708.jpg?v=1789268228&width=220)
![Turbo XS [08-14 WRX/STI, 05-09 LGT] High Flow Catalytic Converter Pipe - JDMuscleFront Pipes and Downpipes / J-PipestxsWS08-CP-V2](http://jdmuscleusa.com/cdn/shop/products/turbo-xs-08-14-wrxsti-05-09-lgt-high-flow-catalytic-converter-pipe-8592506.png?v=1789268229&width=220)