Optimize your Subaru STI 2004-2007 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.
Subaru STI 2004-2007 Engine Parts
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![Overtake Phenolic Spacers 8mm Thick [02 - 14 WRX, 04 - 21 STI, 05 - 12 LGT, 04 - 13 FXT] | A10289 - JDMusclePhenolic Thermal Intake Manifold SpacersovtovtOVRA10289](//jdmuscleusa.com/cdn/shop/files/overtake-phenolic-spacers-8mm-thick-02-14-wrx-04-21-sti-05-12-lgt-04-13-fxt-a10289-9380912.jpg?v=1770321917&width=220)
![Overtake Phenolic Spacers 8mm Thick [02 - 14 WRX, 04 - 21 STI, 05 - 12 LGT, 04 - 13 FXT] | A10289 - JDMusclePhenolic Thermal Intake Manifold SpacersovtovtOVRA10289](//jdmuscleusa.com/cdn/shop/files/overtake-phenolic-spacers-8mm-thick-02-14-wrx-04-21-sti-05-12-lgt-04-13-fxt-a10289-9810859.jpg?v=1770321917&width=220)
Overtake Phenolic Spacers 8mm Thick | A10289
Fits: 02-14 WRX, 04-21 STI, 05-12 LGT, 04-13 FXT
Regular price $59.00Sale price $59.00 Regular priceUnit price per$59.00 -
![Overtake TGV to Engine Gasket Set [02 - 14 WRX, 04 - 21 STI, 05 - 12 LGT, 04 - 13 FXT] | A10035 - JDMuscleIntake System GasketsovtovtOVRA10035](//jdmuscleusa.com/cdn/shop/files/overtake-tgv-to-engine-gasket-set-02-14-wrx-04-21-sti-05-12-lgt-04-13-fxt-a10035-8520736.jpg?v=1770321917&width=220)
![Overtake TGV to Engine Gasket Set [02 - 14 WRX, 04 - 21 STI, 05 - 12 LGT, 04 - 13 FXT] | A10035 - JDMuscleIntake System GasketsovtovtOVRA10035](//jdmuscleusa.com/cdn/shop/files/overtake-tgv-to-engine-gasket-set-02-14-wrx-04-21-sti-05-12-lgt-04-13-fxt-a10035-2053584.jpg?v=1770321917&width=220)
Overtake TGV to Engine Gasket Set | A10035
Fits: 02-14 WRX, 04-21 STI, 05-12 LGT, 04-13 FXT
Regular price $12.00Sale price $12.00 Regular priceUnit price per -
Blouch Performance 02-07 WRX/ 04-21 STI Dominator 1.5XT-R Ball Bearing Turbocharger | SUB-DOM1.5XT-R
Regular price From $1,815.00Sale price From $1,815.00 Regular priceUnit price per$0.00 -
Kartboy 02-14 WRX / 04-21 STi / 04-13 Forester EJ Alternator Cover - Carbon Fiber
Regular price $185.00Sale price $185.00 Regular priceUnit price per$185.00 -
Up to $16.11 offManley WRX STI 2.5L EJ257 99.75 Mm Bore 1.285 In. CH 18.00 CC Dish Piston | Single | 621002C-1
Regular price $185.30Sale price $185.30 Regular priceUnit price per$201.41 -
EOS 2004-21 WRX STi | 02-14 WRX Impreza T-304 Up-Pipe
Regular price $230.00Sale price $230.00 Regular priceUnit price per$199.98 -
P&L Motorsports 02-07 WRX/STI Track Series Exhaust
Regular price From $549.95Sale price From $549.95 Regular priceUnit price per$549.95 -
P&L Motorsports CNC’d WRX/STI/BRZ Exhaust Head Flange | PL-CNC505
Regular price $109.95Sale price $109.95 Regular priceUnit price per$109.95 -
P&L Motorsports Subaru EJ Top Feed Fuel Rails
Regular price From $230.95Sale price From $230.95 Regular priceUnit price per$230.95 -
P&L Motorsports 02-07 WRX/STI/FXT Race Series Exhaust
Regular price From $762.95Sale price From $762.95 Regular priceUnit price per$762.95 -
P&L Motorsports 02-07 WRX/STI/FXT Street Series Exhaust | PL-SUB511
Regular price $867.95Sale price $867.95 Regular priceUnit price per$867.95 -
P&L Motorsports 02-07 WRX/STI Front Mount Intercooler – Rotated
Regular price From $1,645.95Sale price From $1,645.95 Regular priceUnit price per$1,645.95 -
DELICIOUS TUNING 02-14 WRX / 04+ STI SET OF FOUR | 4 OEM+ COIL PACKS | YELLOW | DT_SUB1_COIL_R540
Regular price $495.00Sale price $495.00 Regular priceUnit price per$495.00 -
In StockTurbo XS 04-21 STI | EJ20/EJ25 Upper Intake Manifold Rubber Coated SS Gasket | Pair | GIM-U-EJ2025
Regular price $15.00Sale price $15.00 Regular priceUnit price per$15.00 -
In StockTurbo XS 04-21 STI | EJ20/EJ25 Lower Intake Manifold Graphite Coated Composite Gasket | Pair | GIM-L-EJ2025
Regular price $15.00Sale price $15.00 Regular priceUnit price per$15.00 -
Up to $4.99 offTorque Solution Subaru EJ Engine Rear Main Seal Tool | TS-TL-796
Regular price $45.00Sale price $45.00 Regular priceUnit price per$49.99
![Overtake Phenolic Spacers 8mm Thick [02 - 14 WRX, 04 - 21 STI, 05 - 12 LGT, 04 - 13 FXT] | A10289 - JDMusclePhenolic Thermal Intake Manifold SpacersovtovtOVRA10289](http://jdmuscleusa.com/cdn/shop/files/overtake-phenolic-spacers-8mm-thick-02-14-wrx-04-21-sti-05-12-lgt-04-13-fxt-a10289-9380912.jpg?v=1770321917&width=220)
![Overtake Phenolic Spacers 8mm Thick [02 - 14 WRX, 04 - 21 STI, 05 - 12 LGT, 04 - 13 FXT] | A10289 - JDMusclePhenolic Thermal Intake Manifold SpacersovtovtOVRA10289](http://jdmuscleusa.com/cdn/shop/files/overtake-phenolic-spacers-8mm-thick-02-14-wrx-04-21-sti-05-12-lgt-04-13-fxt-a10289-9810859.jpg?v=1770321917&width=220)
![Overtake TGV to Engine Gasket Set [02 - 14 WRX, 04 - 21 STI, 05 - 12 LGT, 04 - 13 FXT] | A10035 - JDMuscleIntake System GasketsovtovtOVRA10035](http://jdmuscleusa.com/cdn/shop/files/overtake-tgv-to-engine-gasket-set-02-14-wrx-04-21-sti-05-12-lgt-04-13-fxt-a10035-8520736.jpg?v=1770321917&width=220)
![Overtake TGV to Engine Gasket Set [02 - 14 WRX, 04 - 21 STI, 05 - 12 LGT, 04 - 13 FXT] | A10035 - JDMuscleIntake System GasketsovtovtOVRA10035](http://jdmuscleusa.com/cdn/shop/files/overtake-tgv-to-engine-gasket-set-02-14-wrx-04-21-sti-05-12-lgt-04-13-fxt-a10035-2053584.jpg?v=1770321917&width=220)
