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Killer B Motorsport 02-14 WRX / 04-21 STI High Performance Oil Pan w/ OG Style Pick and Baffle Combo | PPBC
Regular price $681.00Regular priceUnit price per$681.00Sale price $681.00 -
ARP 02-14 WRX / 02-21 STI Custom Age 625+ Head Stud Kit | 260-4704
Regular price $565.88Regular priceUnit price per$655.40Sale price $565.88Sale -
Injector Dynamics 1050cc Top Feed Fuel Injectors Subaru WRX 2002-2014 / STI 2007-21 | 1050.48.11.WRX.4
Regular price $546.00Regular priceUnit price per$546.00Sale price $546.00 -
BLOX Racing 60mm Exhaust Donut Subaru FA20/FA20DIT/EJ20/EJ25
Regular price $12.00Regular priceUnit price per$12.00Sale price $12.00 -
Grimmspeed Uppipe - Subaru WRX/STI 2004-2014 | 00300X
Regular price From $269.00Regular priceUnit price per$269.00Sale price From $269.00 -
HKS 06-14 WRX / 04-21 STI Stainless Steel Equal Length Exhaust Manifold | 14019-AF002
Regular price $700.00Regular priceUnit price per$700.00Sale price $700.00 -
Extreme Online Store 15-21 Subaru WRX / STi Muffler Delete Axle Back 4 Inch Quad Tips Exhaust
Regular price $249.98Regular priceUnit price per$249.98Sale price $249.98 -
Perrin 15-21 Subaru WRX/STI Fender Shroud Set - Hyper Pink | PSP-ENG-550HP
Regular price $85.88Regular priceUnit price per$140.00Sale price $85.88Sale -
Perrin Hardware for Subaru Pulley Cover | S-PSP-ENG-150
Regular price $32.88Regular priceUnit price per$40.00Sale price $32.88Sale -
Perrin 02-25 Subaru WRX / 04-21 STI / 98-23 Forester / 96-23 Outback / 93-22 Impreza / 90-23 Legacy / 13-22 Crosstrek / 13-23 BRZ / 22-23 GR86 / 13-16 FR-S Oil Fill Cap | PSP-ENG-711-PARENT
Regular price From $71.10Regular priceUnit price per$71.10Sale price From $71.10 -
AWE Tuning 11-25 Subaru WRX Sedan/11-21 STI Sedan Touring to Track Conversion Axle Back Exhaust | 3820-41004
Regular price $425.00Regular priceUnit price per$447.37Sale price $425.00Sale -
Cobb 15-21 STI Redline Carbon Fiber Intake System Gloss Finish | 725350
Regular price $795.00Regular priceUnit price per$795.00Sale price $795.00 -
COBB 02-14 WRX / 07-21 STI / 07-12 LGT / 06-13 FXT Fuel Injectors Top Feed 1050x | 312150
Regular price $575.00Regular priceUnit price per$575.00Sale price $575.00 -
PLM Turbo to Downpipe Gasket 7 Layers Subaru WRX 2002-2020 / STI 2004-2020 / Legacy GT 2005-2009 / Outback XT 2005-2009 / Forester XT 2002-2014 | PLM-GASKET-SUB-TB-DP
Regular price $10.00Regular priceUnit price per$23.00Sale price $10.00Sale -
PLM Power Driven EWG Up Pipe with Turbosmart WG40 Gen V Wastegate Subaru WRX 2002-2014 / STI 2004-2020 / Baja Turbo 2004-2006 / Forester XT 2004-2013 / Legacy GT 2005-2009 / Turbo 1991-1994 / Outback XT 2005-2009 | PLM-SUB-UP-PIPE-EWG-38MM-TS-WG-PARENT
Regular price $689.00Regular priceUnit price per -
Revel GT Dry Carbon Air Intake Cover - 1 Piece Subaru WRX 15-21 / WRX STI 15-21 | 1TR4GT0AS08
Regular price $204.25Regular priceUnit price per$215.00Sale price $204.25Sale
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.