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IAG 02-14 WRX/04-21 STI/04-13 FXT/05-09 LGT 950 Closed Deck Long Block Engine w/ IAG 950 Heads | IAG-ENG-L955S
Regular price $12,999.99Regular priceUnit price per$12,999.99Sale price $12,999.99 -
IAG 02-14 WRX/04-21 STI/04-13 FXT/05-09 LGT 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads | IAG-ENG-L115N2
Regular price $17,499.99Regular priceUnit price per$17,499.99Sale price $17,499.99 -
IAG 02-14 WRX/04-21 STI/04-13 FXT/05-09 LGT 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads | IAG-ENG-L115W2
Regular price $17,499.99Regular priceUnit price per$17,499.99Sale price $17,499.99 -
IAG 02-14 WRX/04-21 STI/04-13 FXT/05-09 LGT 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads | IAG-ENG-L115V2
Regular price $17,499.99Regular priceUnit price per$17,499.99Sale price $17,499.99 -
IAG 02-14 WRX/04-21 STI/04-13 FXT/05-09 LGT 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads | IAG-ENG-L115D2
Regular price $17,499.99Regular priceUnit price per$17,499.99Sale price $17,499.99 -
IAG 02-14 WRX/04-21 STI/04-13 FXT/05-09 LGT 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads | IAG-ENG-L115SC2
Regular price $17,699.99Regular priceUnit price per$17,699.99Sale price $17,699.99 -
IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT | IAG-ENG-L115N3
Regular price $17,499.99Regular priceUnit price per$17,499.99Sale price $17,499.99 -
IAG 02-14 WRX/04-21 STI/04-13 FXT/05-09 LGT1150 Closed Deck Long Block Engine w/ IAG 1150 Heads | IAG-ENG-L115W3
Regular price $17,499.99Regular priceUnit price per$17,499.99Sale price $17,499.99 -
IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads for 02-14 WRX/04-21 STI/04-13 FXT/05-09 LGT | IAG-ENG-L115V3
Regular price $17,499.99Regular priceUnit price per$17,499.99Sale price $17,499.99 -
IAG 02-14 WRX/04-21 STI/04-13 FXT/05-09 LGT 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads | IAG-ENG-L115D3
Regular price $17,499.99Regular priceUnit price per$17,499.99Sale price $17,499.99 -
IAG 02-14 WRX/04-21 STI/04-13 FXT/05-09 LGT 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads | IAG-ENG-L115SC3
Regular price $17,699.99Regular priceUnit price per$17,699.99Sale price $17,699.99 -
IAG 08-14 WRX/08-21 STI PTFE Flex Fuel Line Kit for use w/COBB Flex Fuel Sensor | IAG-AFD-2225
Regular price $549.99Regular priceUnit price per$549.99Sale price $549.99 -
BLOX Racing 04 - 18 STI Mega Flow EJ25 Oil Pick-Up Tube | BXPT-50515
Regular price $82.88Regular priceUnit price per$125.00Sale price $82.88Sale -
Cobb Subaru STI 6MT Stage 2+ Drivetrain Package w/Weighted Black Knob + White/Stealth Black Lockout | 215X02P-WK-BK-BKWT
Regular price $450.00Regular priceUnit price per$450.00Sale price $450.00 -
Revel 11-21 Subaru WRX/STi / 08-14 WRX Ultra Ti Single Exit Catback Exhaust | T60188R
Regular price $1,161.00Regular priceUnit price per$1,290.00Sale price $1,161.00Sale -
Torque Solution -12an Breather Oil Cap | Black: Subaru Engines | TS-SU-313-12
Regular price $61.88Regular priceUnit price per$66.66Sale price $61.88Sale
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.