Optimize your Subaru WRX 2002-2005 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.
Subaru WRX 2002-2005 Engine Parts
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GrimmSpeed Downpipe to Catback 3in Gasket - Universal | 022001
Regular price $42.00Sale price $42.00 Regular priceUnit price per$42.00 -
![Cobb [03 - 05 WRX] Initialization Connector | AE - WRX - FLASHMODE - 03+ - JDMuscleEngine Management HarnessescobbAE-WRX-FLASHMODE-03+](//jdmuscleusa.com/cdn/shop/products/cobb-03-05-wrx-initialization-connector-ae-wrx-flashmode-03-2573558.jpg?v=1770336376&width=220)
In StockCobb Initialization Connector
Fits: 03-05 WRX
Regular price $17.00Sale price $17.00 Regular priceUnit price per$17.00 -
Up to $13.20 off
In StockTial 44mm MVR External Wastegate - Universal
Only 7 leftRegular price From $439.95Sale price From $439.95 Regular priceUnit price per$453.15 -
Subaru OEM 1.3 Bar Radiator Cap Subaru All Models
Regular price $76.95Sale price $76.95 Regular priceUnit price per$76.95 -
Up to $165.90 offPerrin Front Mount Intercooler Pipes
Fits: 02-07 WRX, 04-07 STI
Regular price $940.10Sale price $940.10 Regular priceUnit price per$1,106.00 -
Up to $10.53 off
In StockARP Head Studs 11mm Subaru Turbo Models | 260-4701
Fits: 02-14 WRX, 04-21 STI, 05-12 LGT, 04-13 FXT
Regular price $293.00Sale price $293.00 Regular priceUnit price per$303.53 -
![Cobb [02 - 07 WRX, 04 - 21 STI] TD05H - 20G - 8 Turbocharger | E1120G - JDMuscleTurboscobbE1120G](//jdmuscleusa.com/cdn/shop/products/cobb-02-07-wrx-04-21-sti-td05h-20g-8-turbocharger-e1120g-6497348.jpg?v=1770336435&width=220)
![Cobb [02 - 07 WRX, 04 - 21 STI] TD05H - 20G - 8 Turbocharger | E1120G - JDMuscleTurboscobbE1120G](//jdmuscleusa.com/cdn/shop/products/cobb-02-07-wrx-04-21-sti-td05h-20g-8-turbocharger-e1120g-3149936.jpg?v=1770336436&width=220)
In StockCobb TD05H-20G-8 Turbocharger
Fits: 02-07 WRX, 04-21 STI
Only 11 leftRegular price $1,470.00Sale price $1,470.00 Regular priceUnit price per$1,470.00 -
Forced Performance 04-21 Subaru STI/ 02-07 WRX FP GREEN 57S Turbocharger 84MM CH 8CM Turbine Housing External Wastegate Oil Line Included | 2029130
Regular price $7,374.00Sale price $7,374.00 Regular priceUnit price per$7,374.00 -
Up to $13 offPLM Turbo to Downpipe Gasket 7 Layers WRX 2002-2020 / STI 2004-2020 / Legacy GT 2005-2009 / Outback XT 2005-2009 / Forester XT 2002-2014 | PLM-GASKET-SUB-TB-DP
Regular price $10.00Sale price $10.00 Regular priceUnit price per$23.00 -
Up to $1.10 off
In StockTomei Exhaust Manifold To Uppipe Gasket 3 Bolt - Universal
Only 5 leftRegular price $9.90Sale price $9.90 Regular priceUnit price per$11.00 -
In StockInjector Dynamics 1050cc Top Feed Fuel Injectors | 1050.48.11.WRX.4
Fits: 02-14 WRX, 07-21 STI
Regular price $600.60Sale price $600.60 Regular priceUnit price per$600.60 -
Up to $89.40 offInvidia Uppipe No EGT Bung | HS06SW1UPP
Fits: 02-14 WRX, 04-21 STI
Regular price $311.00Sale price $311.00 Regular priceUnit price per$400.40 -
Up to $10.25 off
In StockPerrin Throttle Body Hose Black
Fits: 02-07 WRX, 04-21 STI
Regular price $30.75Sale price $30.75 Regular priceUnit price per$41.00 -
![COBB [02 - 14 WRX, 07 - 21 STI, 07 - 12 Legacy GT, 06 - 13 Forester XT] Top Feed 1050X Fuel Injectors | 312150 - JDMuscleFuel Injectors and Accessoriescobb312150](//jdmuscleusa.com/cdn/shop/products/cobb-02-14-wrx-07-21-sti-07-12-legacy-gt-06-13-forester-xt-top-feed-1050x-fuel-injectors-312150-5750979.jpg?v=1770336558&width=220)
![COBB [02 - 14 WRX, 07 - 21 STI, 07 - 12 Legacy GT, 06 - 13 Forester XT] Top Feed 1050X Fuel Injectors | 312150 - JDMuscleFuel Injectors and Accessoriescobb312150](//jdmuscleusa.com/cdn/shop/products/cobb-02-14-wrx-07-21-sti-07-12-legacy-gt-06-13-forester-xt-top-feed-1050x-fuel-injectors-312150-9693839.jpg?v=1770336559&width=220)
In StockCOBB Top Feed 1050X Fuel Injectors
Fits: 02-14 WRX, 07-21 STI, 07-12 Legacy GT, 06-13 Forester XT
Regular price $625.00Sale price $625.00 Regular priceUnit price per$625.00 -
Up to $156 offPLM Power Driven Subaru EWG 3-Bolt Up Pipe & Dump Tube 38mm WRX 2002-2014 / STI 2004-2020 / Baja Turbo 2004-2006 / Forester XT 2004-2013 / Legacy GT 2005-2009 / Outback XT 2005-2009 | PLM-SUB-UP-PIPE-EWG-38MM-3B
Regular price $339.00Sale price $339.00 Regular priceUnit price per$495.00 -
In StockGates Micro-V Belt Alternator & Power Steering Belt
Fits: 02-14 WRX, 04-21 STI
Only 3 leftRegular price $32.00Sale price $32.00 Regular priceUnit price per$32.00
![Cobb [03 - 05 WRX] Initialization Connector | AE - WRX - FLASHMODE - 03+ - JDMuscleEngine Management HarnessescobbAE-WRX-FLASHMODE-03+](http://jdmuscleusa.com/cdn/shop/products/cobb-03-05-wrx-initialization-connector-ae-wrx-flashmode-03-2573558.jpg?v=1770336376&width=220)
![Cobb [02 - 07 WRX, 04 - 21 STI] TD05H - 20G - 8 Turbocharger | E1120G - JDMuscleTurboscobbE1120G](http://jdmuscleusa.com/cdn/shop/products/cobb-02-07-wrx-04-21-sti-td05h-20g-8-turbocharger-e1120g-6497348.jpg?v=1770336435&width=220)
![Cobb [02 - 07 WRX, 04 - 21 STI] TD05H - 20G - 8 Turbocharger | E1120G - JDMuscleTurboscobbE1120G](http://jdmuscleusa.com/cdn/shop/products/cobb-02-07-wrx-04-21-sti-td05h-20g-8-turbocharger-e1120g-3149936.jpg?v=1770336436&width=220)
![COBB [02 - 14 WRX, 07 - 21 STI, 07 - 12 Legacy GT, 06 - 13 Forester XT] Top Feed 1050X Fuel Injectors | 312150 - JDMuscleFuel Injectors and Accessoriescobb312150](http://jdmuscleusa.com/cdn/shop/products/cobb-02-14-wrx-07-21-sti-07-12-legacy-gt-06-13-forester-xt-top-feed-1050x-fuel-injectors-312150-5750979.jpg?v=1770336558&width=220)
![COBB [02 - 14 WRX, 07 - 21 STI, 07 - 12 Legacy GT, 06 - 13 Forester XT] Top Feed 1050X Fuel Injectors | 312150 - JDMuscleFuel Injectors and Accessoriescobb312150](http://jdmuscleusa.com/cdn/shop/products/cobb-02-14-wrx-07-21-sti-07-12-legacy-gt-06-13-forester-xt-top-feed-1050x-fuel-injectors-312150-9693839.jpg?v=1770336559&width=220)
