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Tomei 02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT High Performance Valve Spring Set Turbo Models | TA304A-SB01A
Regular price $296.00Regular priceUnit price per$328.00Sale price $296.00Sale -
GReddy 02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT Timing Belt | 13564500
Regular price $374.00Regular priceUnit price per$394.00Sale price $374.00Sale -
IAG Performance 02-14 WRX / 04-21 STI / 05-09 LGT Replacement V3 AOS 20" Coolant Line & Fitting | IAG-RPL-HSE-7180-CBARB-20
Regular price $74.00Regular priceUnit price per$74.00Sale price $74.00 -
IAG 06-14 WRX, 04-21 STI Air / Oil Separator (AOS) Competition to Street Series Conversion Kit | IAG-ENG-7113
Regular price $173.00Regular priceUnit price per$173.00Sale price $173.00 -
IAG Performance / Crest CNC 02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT Stage X 2.5L Subaru Billet Aluminum Short Block | IAG-ENG-1611
Regular price $28,848.00Regular priceUnit price per$28,848.00Sale price $28,848.00 -
Torque Solution 06-07 WRX / 04-21 STI Throttle Body Spacer Red | TS-TBS-027R
Regular price $92.00Regular priceUnit price per$128.00Sale price $92.00Sale -
Gates 04-14 WRX / 04-21 STI Racing Timing Belt Kit | TCK328RB
Regular price $673.00Regular priceUnit price per$673.00Sale price $673.00 -
ACL 02-14 WRX / 04-21 STI Race Main Bearing Set Standard Size Position 3 | 5M8297H-STD
Regular price $202.00Regular priceUnit price per$202.00Sale price $202.00 -
Torque Solution 06-07 WRX / 04-21 STI Throttle Body Spacer Silver | TS-TBS-027
Regular price $99.00Regular priceUnit price per$128.00Sale price $99.00Sale -
Turbo XS 02-07 WRX / 04-21 STI RFL Series Recirculating Bypass Valve | TXS-WS-RBV
Regular price $410.00Regular priceUnit price per$410.00Sale price $410.00 -
Cusco 02-14 WRX / 04-21 STI / 05-09 LGT Aluminum Pulley Set | 6A1-733-A
Regular price $453.00Regular priceUnit price per$453.00Sale price $453.00 -
Kartboy 02-14 WRX / 04-21 STI / 94-09 Legacy / 98-13 Forester Aluminum Single Belt Crank Pulley | KB-050-EJ-S
Regular price $205.00Regular priceUnit price per$205.00Sale price $205.00 -
GSC Power-Division 02-14 WRX / 04-21 STI Super Alloy Exhaust Valves +1 | 2017-8
Regular price $348.00Regular priceUnit price per$348.00Sale price $348.00 -
Torque Solution 02-07 WRX / 04-21 STI / 04-08 FXT 3 Inch Recirculating Style Turbo Inlet Hose - Black | TS-SU-565-R
Regular price $336.00Regular priceUnit price per$474.00Sale price $336.00Sale -
Fuel Injector Clinic 02-14 WRX / 07-21 STI Injectors Top Feed 1440cc | IS175-1440H
Regular price $1,343.00Regular priceUnit price per$1,343.00Sale price $1,343.00 -
Killer B Motorsport 02-14 WRX / 04-21 STI 4-1 Max VE Holy Header Exhaust Manifold 2 Bolt | HH-2BOLT-VE
Regular price $2,621.00Regular priceUnit price per$2,621.00Sale price $2,621.00
Optimize your Subaru STI 2004-2007 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.