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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ACL 02-14 WRX / 04-21 STI Race Main Bearing Set Standard Size Position 3 | 5M8297H-STD
Regular price $122.88Sale price $122.88 Regular priceUnit price per$122.88 -
Torque Solution 06-07 WRX / 04-21 STI Throttle Body Spacer Silver | TS-TBS-027
Regular price $78.00Sale price $78.00 Regular priceUnit price per$78.00 -
Turbo XS 02-07 WRX / 04-21 STI RFL Series Recirculating Bypass Valve | TXS-WS-RBV
Regular price $249.99Sale price $249.99 Regular priceUnit price per$249.99 -
IAG Performance Flex Fuel Line Upgrade Kit
Fits: 08-14 WRX, 08-21 STI
Regular price $124.99Sale price $124.99 Regular priceUnit price per$124.99 -
In StockKartboy 02-14 WRX / 04-21 STI / 94-09 Legacy / 98-13 Forester Aluminum Single Belt Crank Pulley | KB-050-EJ-S
Only 1 leftRegular price $125.00Sale price $125.00 Regular priceUnit price per$125.00 -
GSC Power-Division 02-14 WRX / 04-21 STI Super Alloy Exhaust Valves +1 | 2017-8
Regular price $211.92Sale price $211.92 Regular priceUnit price per$211.92 -
Up to $71.50 offGSC Power-Division 08-21 STI S3 Billet Camshaft Set | 7026S3
Regular price $1,174.00Sale price $1,174.00 Regular priceUnit price per$1,245.50 -
Up to $37.99 off
In StockTorque Solution 02-07 WRX / 04-21 STI / 04-08 FXT 3 Inch Recirculating Style Turbo Inlet Hose - Black | TS-SU-565-R
Only 1 leftRegular price $262.00Sale price $262.00 Regular priceUnit price per$299.99 -
Killer B Motorsport 02-14 WRX / 04-21 STI 4-1 Max VE Holy Header Exhaust Manifold 2 Bolt | HH-2BOLT-VE
Regular price $1,599.00Sale price $1,599.00 Regular priceUnit price per$1,599.00 -
Up to $5 offRadium Engineering 08-21 WRX/STI Fuel Line Retaining Kit | 20-0526
Regular price $94.95Sale price $94.95 Regular priceUnit price per$99.95 -
IAG Black Timing Belt Kit | Competition Tensioner / Belt / Guide
Fits: 02-14 WRX, 04-21 STI, 05-12 LGT, 04-13 FXT
Regular price $899.99Sale price $899.99 Regular priceUnit price per$899.99 -
Turbo XS 3in Downpipe to Stock Cat-Back Adapter w/ Stainless Exhaust Gasket | ADA-3DP-OEMCB-1
Regular price $84.00Sale price $84.00 Regular priceUnit price per$84.00 -
Turbo XS 08-21 WRX / 08-18 STI / 09-18 Forester / 13-17 Crosstrek / 05-17 Legacy Dry Element Drop In Panel Filter | AF-01
Regular price $72.00Sale price $72.00 Regular priceUnit price per$72.00 -
Turbosmart 02-07 WRX / 04-21 STI / 06-08 FXT Plumb Back Recirculating Blow Off Valve Black | TS-0205-1216
Regular price $329.95Sale price $329.95 Regular priceUnit price per$329.95 -
IAG Performance Street Series Oil Pan Black
Fits: 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT
Regular price $569.99Sale price $569.99 Regular priceUnit price per$569.99 -
Subaru OEM Front Crossover Gasket EJ20 / EJ25 | 44022AA160
Regular price $20.02Sale price $20.02 Regular priceUnit price per$20.02
