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HKS 08-21 STI S-Type Oil Cooler | 15004-AF011
Regular price $1,080.00Regular priceUnit price per$1,080.00Sale price $1,080.00 -
Turbo XS 3in Downpipe to Stock Cat-Back Adapter w/ Stainless Exhaust Gasket | ADA-3DP-OEMCB-1
Regular price $84.00Regular priceUnit price per$84.00Sale price $84.00 -
Turbo XS 08-21 Subaru WRX / 08-18 STI / 09-18 Forester / 13-17 Crosstrek / 05-17 Legacy Dry Element Drop In Panel Filter | AF-01
Regular price $72.00Regular priceUnit price per$72.00Sale price $72.00 -
HKS 08-21 STI / 08-14 WRX Fine Tune Power Steering / Alternator V-Belt | 24996-AK012
Regular price $50.00Regular priceUnit price per$50.00Sale price $50.00 -
Turbosmart 02-07 WRX / 04-21 STI / 06-08 FXT Plumb Back Recirculating Blow Off Valve Black | TS-0205-1216
Regular price $329.95Regular priceUnit price per$329.95Sale price $329.95 -
IAG Performance 02-14 WRX / 04-21 STI / 05-09 LGT / 04-13 FXT Street Series Oil Pan Black | IAG-ENG-2200BK
Regular price $524.99Regular priceUnit price per$524.99Sale price $524.99 -
Subaru OEM Front Crossover Gasket EJ20 / EJ25 | 44022AA160
Regular price $20.02Regular priceUnit price per$20.02Sale price $20.02 -
IAG 02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT Black Racing Timing Belt | IAG-ACC-5206BK
Regular price $229.99Regular priceUnit price per$229.99Sale price $229.99 -
Turbo XS 08-21 STI 20G Turbocharger | TU-EJ-TXS400
Regular price $1,319.20Regular priceUnit price per$1,319.20Sale price $1,319.20 -
IAG Performance 02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT 3mm Thick Phenolic Spacers | IAG-AFD-3103
Regular price $64.99Regular priceUnit price per$64.99Sale price $64.99 -
IAG Performance 08-14 WRX / 08-21 STI 3 Inch Aluminum MAF Mounting Flange | IAG-AFD-1001
Regular price $39.99Regular priceUnit price per$39.99Sale price $39.99 -
IAG Performance 08-14 WRX / 08-21 STI V3 Street Series Air / Oil Separator (AOS) Replacement Line / Hardware Kit | IAG-RPL-7181IK
Regular price $219.99Regular priceUnit price per$219.99Sale price $219.99 -
IAG Performance 02-14 WRX / 07-21 STI / 08-12 LGT / 06-13 FXT V3 Top Feed Fuel Rails Red | IAG-AFD-2102RD
Regular price $199.99Regular priceUnit price per$199.99Sale price $199.99 -
IAG Performance 02-14 WRX / 07-21 STI / 08-12 LGT / 06-13 FXT V3 Top Feed Fuel Rails Gold | IAG-AFD-2102GD
Regular price $199.99Regular priceUnit price per$199.99Sale price $199.99 -
Kartboy 02-14 WRX / 04-21 STI / 05-09 Legacy / 03-13 Forester Aluminum Crank Pulley V2 | KB-050-EJ-V2
Regular price $100.00Regular priceUnit price per$100.00Sale price $100.00 -
Torque Solution 02-07 WRX / 04-21 STI / 04-08 FXT 3 Inch Non Recirculating Style Turbo Inlet Hose Black | TS-SU-565-NR
Regular price $225.88Regular priceUnit price per$288.88Sale price $225.88Sale
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.