Optimize your Subaru STI 2015-2021 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.
2015-2021 Subaru WRX STI Engine Parts
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TR TD06-20G Turbo for Subaru 2002-2007 WRX / 2004+ STI | TR-TS1008
Regular price $1,670.00Sale price $1,670.00 Regular priceUnit price per$1,450.00 -
TR Equal Length Exhaust Manifold w/ Up-pipe for WRX 2002-2014 / STI 2004+ | TR-ES1001
Regular price $990.00Sale price $990.00 Regular priceUnit price per$860.00 -
TR Air Oil Separator for WRX 2002-2007 / STI 2004+ | TR-AO1000
Regular price $340.00Sale price $340.00 Regular priceUnit price per$299.00 -
TR TD06-20G Twin Scroll Turbo WRX 2002-2007/ STi 2007-21 | TR-TS1015
Regular price $1,780.00Sale price $1,780.00 Regular priceUnit price per$1,550.00 -
TR TD05-18G Turbo Subaru 2002-2007 WRX / 2004+ STI | TR-TS1000
Regular price $1,180.00Sale price $1,180.00 Regular priceUnit price per$1,030.00 -
TR Billet TD05-18G Turbo for WRX 2002-2007 / STI 2004+ | TR-TS1021
Regular price $1,370.00Sale price $1,370.00 Regular priceUnit price per$1,190.00 -
TR TD05-20G Turbo w/ Billet Wheel for Subaru 2002-2007 WRX / 2004+ STI | TR-TS1018
Regular price $1,700.00Sale price $1,700.00 Regular priceUnit price per$1,480.00 -
TR TD06-20G Billet Wheel Twin Scroll Turbo for WRX 2002-2007 /STi 2004-21 | TR-TS1027
Regular price $1,900.00Sale price $1,900.00 Regular priceUnit price per$1,650.00 -
Tomioka Racing 2 Bolt Up Pipe Subaru 2006-2014 WRX / 2004+ STI | TR-ES1011
Regular price $370.00Sale price $370.00 Regular priceUnit price per$320.00 -
TR Turbo Heatshield for WRX 2002 - 2007 / STi 2004+ | TR-ES1019
Regular price $90.00Sale price $90.00 Regular priceUnit price per$75.00 -
TR Pro Adjustable Fuel Pressure Regulator Kit Subaru STi 2008-2016 | TR-FPU1005F
Regular price $520.00Sale price $520.00 Regular priceUnit price per$450.00 -
TR 3-Port Electronic Boost Solenoid for Subaru STi 2008+ | TR-BSS1000
Regular price $160.00Sale price $160.00 Regular priceUnit price per$135.00 -
TR GTX2971 Ball-Bearing Twin Scroll Turbo Kit for WRX 2002-2007 / STi 2004-2018 | TR-TS1100
Regular price $3,560.00Sale price $3,560.00 Regular priceUnit price per$3,100.00 -
TR TD05-20G Ball Bearing Billet Wheel Turbo for WRX 2002 - 2007 / STI 2004 - 2018 | TR-TS1050
Regular price $1,950.00Sale price $1,950.00 Regular priceUnit price per$1,695.00 -
TR GTX2971 for WRX 2002-2007 / STi 2004-21 | TR-TS1045
Regular price $2,130.00Sale price $2,130.00 Regular priceUnit price per$1,850.00 -
TR Billet Oil Cap for WRX 2002+ / STI 2002+ | TR-OC0001-PARENT
Regular price $70.00Sale price $70.00 Regular priceUnit price per$60.00
