Collection: Subaru STI 2004-2007 Engine Parts
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ARP 02-14 WRX / 02-21 STI Custom Age 625+ Head Stud Kit | 260-4704
Regular price $570.66 USDRegular priceUnit price / per$655.40 USDSale price $570.66 USDSale -
Radium Engineering 04-21 STI Fuel Rail Plumbing Kit - Parallel | 20-0984
Regular price $379.95 USDRegular priceUnit price / per$399.95 USDSale price $379.95 USDSale -
Grimmspeed 04-21 STI / 02-07 WRX V2 Bypass Valve Red | 126032RED
Regular price $249.00 USDRegular priceUnit price / per -
Grimmspeed 04-21 STI / 02-07 WRX V2 Bypass Valve Black | 126032BLK
Regular price $249.00 USDRegular priceUnit price / per -
IAG Performance 02-14 WRX / 04-21 STI / 04-13 FXT / 05-09 LGT 550 Series EJ25 Short Block | IAG-ENG-S550
Regular price $3,999.99 USDRegular priceUnit price / per -
Fuel Injector Clinic 02-14 WRX / 07-21 STI Injectors Top Feed 2150cc | IS175-2150H
Regular price $895.72 USDRegular priceUnit price / per$895.72 USDSale price $895.72 USD -
Subaru OEM 1.3 Bar Radiator Cap Subaru All Models | ST4511355010
Regular price $69.95 USDRegular priceUnit price / per -
Tomei 02-07 WRX / 04-21 STI / 04-08 FXT Silicone Turbo Inlet Hose Black | TB301A-SB01B
Regular price $171.00 USDRegular priceUnit price / per$171.00 USDSale price $171.00 USD -
COBB 02-14 WRX / 07-21 STI / 07-12 LGT / 07-11 FXT Fuel Injectors Top Feed 1300x | 312230
Regular price $960.00 USDRegular priceUnit price / per$960.00 USDSale price $960.00 USD -
Perrin 02-14 WRX / 04-21 STI / 05-09 Legacy / 04-13 Forester Lightened Crank Pulley Blue | PSP-ENG-100BL
Regular price $114.75 USDRegular priceUnit price / per$135.00 USDSale price $114.75 USDSale -
Process West 06-21 WRX /STI Intake Manifold Street Version | PWIM002
Regular price $1,918.66 USDRegular priceUnit price / per$2,031.75 USDSale price $1,918.66 USDSale -
HKS Carbon Titanium Cat Back Exhaust Subaru WRX / STI 2002-2007 (3112-EX005)
Regular price $909.50 USDRegular priceUnit price / per$1,070.00 USDSale price $909.50 USDSale -
HKS Hi-Power Cat Back Exhaust Subaru WRX / STI 2002-2007 (3106-EX008)
Regular price $535.50 USDRegular priceUnit price / per$630.00 USDSale price $535.50 USDSale -
Radium Engineering Single Catch Can Mounting Bracket - Universal
Regular price $17.05 USDRegular priceUnit price / per$17.95 USDSale price $17.05 USDSale -
Tomei Exhaust Manifold To Uppipe Gasket 3 Bolt - Universal
Regular price $9.90 USDRegular priceUnit price / per$9.90 USDSale price $9.90 USD -
Gates Timing Kit w/ Water Pump WRX 2006-2007 / STI 2004-2019 / Legacy GT 2005-2009 / Forester XT 2004-2009 (TCKWP328)
Regular price $310.66 USDRegular priceUnit price / per$310.66 USDSale price $310.66 USD
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.