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.
2008-2014 Subaru WRX STI Engine Parts
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Grimmspeed Top Mount Intercooler Charge Pipe Kit Red Subaru STI 2008-2014 | GRM090222
Regular price $908.00Sale price $908.00 Regular priceUnit price per$908.00 -
Grimmspeed The Bolt Oil Cap Yellow Zinc Subaru Models 89-19 / 89-19 FRS/86 | grm120014Y
Regular price $92.00Sale price $92.00 Regular priceUnit price per$92.00 -
GrimmSpeed Dry-Con Performance Panel Air Filter Subaru BRZ 2012-21 MT / BRZ 2017-2019 AT | 060094
Regular price $59.00Sale price $59.00 Regular priceUnit price per$59.00 -
Up to $11.25 offPerrin Performance FMIC Hose Clamp Kit WRX 2002-2017 / STI 2004-2017 | PSP-ITR-413
Regular price $63.75Sale price $63.75 Regular priceUnit price per$75.00 -
Brian Crower Stroker Kit 83mm Billet Crank/ProH625+ Rods 5.141in Custom Pistons Subaru EJ257 STI 2004-2017 | BC0628
Regular price $4,029.00Sale price $4,029.00 Regular priceUnit price per$4,029.00 -
HKS 04-21 STI Fuel Upgrade Kit | 14007-AF003
Regular price $1,140.00Sale price $1,140.00 Regular priceUnit price per$1,140.00 -
Moroso 02-14 WRX / 04-21 STI Steel Oil Pan and Oil Pick Up Combo | 20966
Regular price $580.99Sale price $580.99 Regular priceUnit price per$580.99 -
Moroso 02-14 WRX / 04-21 STI Aluminum Oil Pan and Oil Pick Up Combo | 20968
Regular price $1,011.99Sale price $1,011.99 Regular priceUnit price per$1,011.99 -
Moroso Oil Pickup Tube for OEM Pans Subaru EJ25 Turbo WRX 2006-2014 / STI 2004-2014 | 24965
Regular price $141.99Sale price $141.99 Regular priceUnit price per$141.99 -
Moroso Air Oil Separator Billet Aluminum Subaru STI 2008-2014 | 85510
Regular price $495.99Sale price $495.99 Regular priceUnit price per$495.99 -
Moroso Air Oil Separator Small Body Billet Alum Black Finish Subaru STI 2008-2014 | 85645
Regular price $457.99Sale price $457.99 Regular priceUnit price per$457.99 -
Moroso Air-Oil Separator Small Body Billet Aluminum Fits Front Mount Intercooler Subaru STI 2008-2014 | 85646
Regular price $449.99Sale price $449.99 Regular priceUnit price per$449.99 -
Moroso Small Body Air-Oil Separator Billet Alum -Black w/ Front Mount Intercooler Subaru STI 2008-2014 | 85647
Regular price $457.99Sale price $457.99 Regular priceUnit price per$457.99 -
Moroso Air Oil Separator Small Body Raw Finish Billet Aluminum Subaru STI 2008-2014 | 85644
Regular price $447.99Sale price $447.99 Regular priceUnit price per$447.99 -
Subaru Valve Lifter Baja 2004-2006 / Forester 2009-2013 / Impreza 2003-2010 / Legacy 2005-2012 / Outback 2005-2009 / STI 2006-21 / WRX 2003-21 | 13228AB412
Regular price $31.66Sale price $31.66 Regular priceUnit price per$31.66 -
Subaru Valve Lifter Baja 2004-2006 / Forester 2009-2013 / Impreza 2003-2010 / Legacy 2005-2012 / Outback 2005-2009 / STI 2006-21 / WRX 2003-21 | 13228AB482
Regular price $31.66Sale price $31.66 Regular priceUnit price per$31.66