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IAG 02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT Black Timing Belt Kit ( Competition Tensioner / Belt / Guide) | IAG-ENG-5130BK
Regular price $799.99Regular priceUnit price per$799.99Sale price $799.99 -
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 -
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 -
HKS 02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT Fine Tune Timing Belt | 24999-AF001
Regular price $260.00Regular priceUnit price per$260.00Sale price $260.00 -
Verus Engineering 02-21 Subaru WRX/STI / 13-21 BRZ/FRS/86 RLA Oil Cap Anodized Red | A0270A-RED
Regular price $48.49Regular priceUnit price per$48.49Sale price $48.49 -
Verus Engineering 02-21 Subaru WRX/STI / 13-21 BRZ/FRS/86 RLA Oil Cap Anodized Red | A0270A-BLK
Regular price $48.49Regular priceUnit price per$48.49Sale price $48.49 -
IAG 06-14 WRX / 04-21 STI Air / Oil Separator (AOS) V2 Competition to V2 Street Series Conversion Kit (V2 AOS Only) | IAG-ENG-7110
Regular price $104.99Regular priceUnit price per$104.99Sale price $104.99 -
HKS 04-21 STI Fuel Upgrade Kit | 14007-AF003
Regular price $918.00Regular priceUnit price per$1,020.00Sale price $918.00Sale -
Moroso 02-14 WRX / 04-21 STI Aluminum Oil Pan and Oil Pick Up Combo | 20968
Regular price $916.99Regular priceUnit price per$916.99Sale price $916.99 -
Tomei 06-14 WRX / 04-21 STI / 05-09 LGT Head Gasket .7mm Pair | TOMTA4070-SB02A
Regular price $108.00Regular priceUnit price per$120.00Sale price $108.00Sale -
Go Fast Bits 02-07 WRX / 04-21 STI / 06-08 FXT Deceptor Pro II Electronically Adjustable Blow Off Valve | T9503
Regular price $441.00Regular priceUnit price per$490.00Sale price $441.00Sale -
Tomei 02-07 WRX / 04-21 STI ARMS MX7760 Turbo | TB401A-SB01A
Regular price $1,422.00Regular priceUnit price per$1,580.00Sale price $1,422.00Sale -
Process West 02-14 WRX / 04-21 STI Engine Pulley Garnish Red | PWED02R
Regular price $66.88Regular priceUnit price per$71.10Sale price $66.88Sale -
Process West 02-14 WRX / 07-21 STI Billet Fuel Rails Black | PRW-PWFR01B
Regular price $307.88Regular priceUnit price per$329.77Sale price $307.88Sale -
Process West 02-14 WRX / 07-21 STI Fuel Rails | PWFR01
Regular price $287.88Regular priceUnit price per$293.99Sale price $287.88Sale -
Process West 02-14 WRX / 04-21 STI Engine Pulley Garnish Black | PWED02B
Regular price $66.88Regular priceUnit price per$71.10Sale price $66.88Sale
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.