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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 -
Perrin 15-21 Subaru WRX/STI Without OEM Intake Scoop 2pc Radiator Shroud Hyper Pink | PSP-ENG-512-2HP
Regular price $79.88Regular priceUnit price per$130.00Sale price $79.88Sale -
Injen 18-21 STI H4 2.5L Turbo SP Aluminum Series Cold Air Intake - Polished | SP1208P
Regular price $344.95Regular priceUnit price per$344.95Sale price $344.95 -
Injen 18-21 STI H4-2.5L Turbo SP Aluminum Series Cold Air Intake - Wrinkle Black | SP1208WB
Regular price $344.95Regular priceUnit price per$344.95Sale price $344.95 -
Injen 18-21 STI H4-2.5L Turbo SP Aluminum Series Cold Air Intake - Wrinkle Red | SP1208WR
Regular price $344.95Regular priceUnit price per$344.95Sale price $344.95 -
HPS Performance 08-14 WRX / 08-21 STI / 09-13 FXT Silicone Radiator Hose Kit Blue | 57-1064-BLUE
Regular price $137.00Regular priceUnit price per$137.00Sale price $137.00 -
HPS Performance 15-20 STI Blue Cold Air Intake w/ Heatshield | 837-573BL
Regular price $267.00Regular priceUnit price per$267.00Sale price $267.00 -
cp-e 15-18 STI / 15-21 Subaru WRX Austenite Dual Muffler Axle Back Exhaust w/ Titan Finish 4" Double Wall Tips | SBAE00002T
Regular price $907.35Regular priceUnit price per$907.35Sale price $907.35 -
cp-e 15-18 STI / 15-21 Subaru WRX Austenite Dual Muffler Axle Back Exhaust w/ Polished 4" Double Wall Tips | SBAE00002P
Regular price $907.35Regular priceUnit price per$907.35Sale price $907.35 -
cp-e 15-18 STI / 15-21 Subaru WRX Austenite Dual Muffler Axle Back Exhaust w/ Black 4" Double Wall Tips | SBAE00002B
Regular price $1,134.19Regular priceUnit price per$1,134.19Sale price $1,134.19 -
HPS Performance 15-21 STI Full Cooling System Hose Kit Black | 57-1516-BLK
Regular price $307.00Regular priceUnit price per$307.00Sale price $307.00 -
COBB 15-21 STI NexGen Stage 2 Power Package w/ Redline Carbon Fiber Intake | SUB004NG2S2-RED
Regular price $3,450.00Regular priceUnit price per$3,450.00Sale price $3,450.00 -
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 -
MBRP 11-21 Subaru WRX Sedan / STI Sedan Armor Pro Series Single Exit Catback w/ Polished Tip | S4803304
Regular price $679.99Regular priceUnit price per$815.28Sale price $679.99Sale -
Radium Engineering 08-21 Subaru WRX/STI / 2005-2009 LGT V2 Fuel Pump Hanger for use w/ DW400 Pumps | 20-0781-00
Regular price $512.95Regular priceUnit price per$539.95Sale price $512.95Sale -
Process West 02-14 WRX / 04-21 STI Engine Pulley Garnish Red | PWED02R
Regular price $71.10Regular priceUnit price per$71.10Sale price $71.10
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.