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Perrin 02-14 WRX / 04-21 STI / 05-09 Legacy / 04-13 Forester Lightened Crank Pulley Black | PSP-ENG-100BK
Regular price $128.00Regular priceUnit price per$222.00Sale price $128.00Sale -
BLOX Racing Magnetic Drain Plug - Oil / 20x1.5mm Subaru WRX/STI EJ
Regular price $28.00Regular priceUnit price per$30.00Sale price $28.00Sale -
Turbo XS 02-07 WRX / 04-21 STI RFL Series Hybrid Blow Off Valve | TXS-WS-HYB
Regular price $373.00Regular priceUnit price per$533.00Sale price $373.00Sale -
Walbro 450lph In-Tank Fuel Pump High Pressure Version (F90000274) - Universal
Regular price From $192.00Regular priceUnit price per$0.00Sale price From $192.00 -
Grimmspeed 02-07 WRX / 04-21 STI / 04-08 FXT Top Mount Intercooler Y-Pipe Kit Black | 090096
Regular price $278.00Regular priceUnit price per$278.00Sale price $278.00 -
Grimmspeed 02-07 WRX / 04-21 STI / 04-08 FXT Top Mount Intercooler Y-Pipe Kit Red | 090095
Regular price $278.00Regular priceUnit price per$278.00Sale price $278.00 -
GrimmSpeed 02-07 WRX / 04-21 STI Top Mount Intercooler Thermal Black | 090024
Regular price $1,311.00Regular priceUnit price per$1,311.00Sale price $1,311.00 -
GrimmSpeed 02-07 WRX / 04-21 STI Intercooler Y-Pipe Gaskets | 020024
Regular price $27.00Regular priceUnit price per$27.00Sale price $27.00 -
GrimmSpeed 02-14 WRX / 04-21 STI TGV to Engine Gasket Pair | 032001
Regular price $22.00Regular priceUnit price per$22.00Sale price $22.00 -
Invidia R400 Gemini Cat Back Exhaust Quad SS Tip Subaru WRX/STI 2011-2014 Sedan | HS11STIGM4SS
Regular price $1,317.00Regular priceUnit price per$2,907.00Sale price $1,317.00Sale -
Perrin 02-14 WRX / 04-21 STI / 05-09 LGT / 04-05 FXT Turbo Heat Shield Turbo | PSP-EXT-001
Regular price $97.00Regular priceUnit price per$168.00Sale price $97.00Sale -
Perrin Oil Cap Round Style Black Most Subaru Models | PSP-ENG-711BK
Regular price $79.00Regular priceUnit price per$135.00Sale price $79.00Sale -
Perrin Black Air Oil Separator Subaru 2008-2014 WRX / 2002-2020 STI with Top Mount Intercooler (PSP-ENG-606BK)
Regular price $648.00Regular priceUnit price per$939.00Sale price $648.00Sale -
Mishimoto Carbon Fiber Radiator Cap - Universal
Regular price $63.00Regular priceUnit price per$80.00Sale price $63.00Sale -
Mishimoto Transition Coupler 2-in to 2.5-in - Universal
Regular price From $17.00Regular priceUnit price per$20.00Sale price From $17.00Sale -
Mishimoto 08-14 WRX / 08-21 STI X-Line Aluminum Radiator | MMRAD-STI-08X
Regular price $693.00Regular priceUnit price per$919.00Sale price $693.00Sale
Optimize your Subaru STI 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 STI the edge on the road or track.