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Turbo XS 02-14 WRX/04-21 STi/ 05-09 LGT / 04-13 FXT Up-Pipe Hardware Kit | WS-UP-HW
Regular price $20.88Regular priceUnit price per$29.00Sale price $20.88Sale -
MBRP 15-21 Subaru WRX/STI 3inch Cat Back Dual Split Rear Exit T304 Street version | S4800304
Regular price $1,235.28Regular priceUnit price per$1,235.28Sale price $1,235.28 -
MBRP 15-21 Subaru WRX/STI 3inch Cat Back Dual Split Rear Exit T304 with Carbon Fiber Tips Street version | S48003CF
Regular price $1,346.46Regular priceUnit price per$1,346.46Sale price $1,346.46 -
HPS Performance 15-20 STI Cold Air Intake w/ Heatshield - Red | 837-573R
Regular price $267.00Regular priceUnit price per$267.00Sale price $267.00 -
ACL 02-14 WRX / 04-21 STI Main Bearing Set Standard Size Position 3 | 5M8297A-STD
Regular price $26.88Regular priceUnit price per$26.88Sale price $26.88 -
Beatrush 08-14 WRX / 08-21 STI Aluminum Pulley Cover Blue | S146020PCA
Regular price $113.00Regular priceUnit price per$113.00Sale price $113.00 -
MBRP 15-21 Subaru WRX/STI 3inch Cat Back Dual Split Rear Exit T304 with Carbon Fiber Tips Race version | S48023CF
Regular price $1,235.28Regular priceUnit price per$1,235.28Sale price $1,235.28 -
MBRP 15-21 Subaru WRX/STI 2.5inch Axle Back Dual Split Rear Exit T304 with Carbon Fiber Tips | S48013CF
Regular price $592.93Regular priceUnit price per$592.93Sale price $592.93 -
Subaru OEM Muffler Exhaust Gasket Most Subaru Models | 44022AA131
Regular price $10.55Regular priceUnit price per$10.55Sale price $10.55 -
Cobb Tuning 04-20 STI / 02-07 WRX / 04-08 FXT 4 Bar MAP Sensor Upgrade Kit | A12700
Regular price $215.00Regular priceUnit price per$215.00Sale price $215.00 -
ACL 02-14 WRX / 04-21 STI Rod Bearings Standard Size 52mm Journal | 4B8296A-STD
Regular price $9.88Regular priceUnit price per$9.88Sale price $9.88 -
Aeromotive 02-14 WRX / 07-21 STI Billet Fuel Rails - Black | 14169
Regular price $273.45Regular priceUnit price per$273.45Sale price $273.45 -
IAG 08-14 WRX/08-21 STI PTFE Fuel System Kit w/ Aeromotive FPR, IAG Fuel Rails | IAG-AFD-2350GD
Regular price $999.99Regular priceUnit price per$999.99Sale price $999.99 -
IAG 08-14 WRX/08-21 STI PTFE Fuel System Kit w/ Aeromotive FPR, IAG Fuel Rails | IAG-AFD-2350RD
Regular price $999.99Regular priceUnit price per$999.99Sale price $999.99 -
IAG 08-14 WRX/08-21 STI PTFE Fuel System Kit w/ FIC Injectors, Aeromotive FPR, IAG Fuel Rails | IAG-AFD-2330BK
Regular price $1,519.99Regular priceUnit price per$1,519.99Sale price $1,519.99 -
IAG 08-14 WRX/08-21 STI PTFE Fuel System Kit w/ ID Injectors, Aeromotive FPR, IAG Fuel Rails | IAG-AFD-2310BK
Regular price $1,639.99Regular priceUnit price per$1,639.99Sale price $1,639.99
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.