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Killer B Motorsport 02-14 WRX / 04-21 STI OG Style Oil Pickup | 070-110
Regular price $149.00Regular priceUnit price per$149.00Sale price $149.00 -
IAG Performance Unequal Length Header & Up Pipe for 2002-2014 Subaru WRX and 2004-21 Subaru WRX STI | IAG-EXT-1000
Regular price $749.99Regular priceUnit price per$749.99Sale price $749.99 -
Gates 04-14 WRX/ 04-21 STI/ 05-09 LGT Timing Belt Kit | TCK328
Regular price $260.88Regular priceUnit price per$290.71Sale price $260.88Sale -
Walbro 450lph E85 Compatiable Fuel Pump & Installation Kit (TIA485-2) - Universal
Regular price $177.88Regular priceUnit price per$177.88Sale price $177.88 -
Perrin Radiator Shroud Subaru WRX/STI 2002-2007 (PSP-ENG-501BK)
Regular price $37.88Regular priceUnit price per$65.00Sale price $37.88Sale -
GrimmSpeed Exhaust Gasket Kit 6 Piece - Subaru EJ Turbo | 020040
Regular price $99.00Regular priceUnit price per$99.00Sale price $99.00 -
Killer B Motorsport 4-1 Holy Header 2-Bolt w/ SwainTech Ceramic Coating Subaru WRX 2002-2014 / STI 2004-21 | HH-2BOLT-SWAIN
Regular price $1,989.00Regular priceUnit price per$1,989.00Sale price $1,989.00 -
Radium Engineering 04-21 STI Fuel Rail Plumbing Kit - Parallel | 20-0984
Regular price $379.95Regular priceUnit price per$399.95Sale price $379.95Sale -
Grimmspeed 04-21 STI / 02-07 WRX V2 Bypass Valve Red | 126032RED
Regular price $249.00Regular priceUnit price per$249.00Sale price $249.00 -
Grimmspeed 04-21 STI / 02-07 WRX V2 Bypass Valve Black | 126032BLK
Regular price $249.00Regular priceUnit price per$249.00Sale price $249.00 -
IAG Performance 02-14 WRX / 04-21 STI / 04-13 FXT / 05-09 LGT 550 Series EJ25 Short Block | IAG-ENG-S550
Regular price $3,999.99Regular priceUnit price per$3,999.99Sale price $3,999.99 -
Subaru OEM Donut Gasket Subaru Turbo Models | 44022AA123
Regular price $9.14Regular priceUnit price per$9.14Sale price $9.14 -
Fuel Injector Clinic 02-14 WRX / 07-21 STI Injectors Top Feed 2150cc | IS175-2150H
Regular price $895.72Regular priceUnit price per$895.72Sale price $895.72 -
IAG Street Series Oil Pan Package for 02-14 WRX / 04-21 STI / 05-09 LGT / 04-13 FXT | IAG-ENG-2201
Regular price From $629.99Regular priceUnit price per$629.99Sale price From $629.99 -
Tomei 02-07 WRX / 04-21 STI / 04-08 FXT Silicone Turbo Inlet Hose Black | TB301A-SB01B
Regular price $171.00Regular priceUnit price per$190.00Sale price $171.00Sale -
Cobb 02-07 Subaru WRX/ 04-21 STI TD05H-20G-8 Turbocharger | E1120G
Regular price $1,350.00Regular priceUnit price per$1,350.00Sale price $1,350.00
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.