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Cusco Belt Cover Subaru WRX 2008-2014 / STI 2008-2019
Regular price $105.88Regular priceUnit price per$131.00Sale price $105.88Sale -
AEM Infinity-10 Stand-Alone Programmable Engine Management System EMS - Universal | 30-7100
Regular price $2,908.18Regular priceUnit price per$4,039.14Sale price $2,908.18Sale -
AEM Infinity-8 Stand-Alone Programmable Engine Management System EMS - Universal | 30-7101
Regular price $2,556.02Regular priceUnit price per$3,550.03Sale price $2,556.02Sale -
CSF Universal Dual-Pass Oil Cooler | RS Style - M22 x 1.5 - 24in L x 5.75in H x 2.16in W
Regular price $599.00Regular priceUnit price per$599.00Sale price $599.00 -
CSF Universal Dual-Pass Internal/External Oil Cooler - 22.0in L x 5.0in H x 2.25in W
Regular price $349.00Regular priceUnit price per$349.00Sale price $349.00 -
CSF Universal Triple Pass Dual Core Radiator w/AN Fittings
Regular price $449.00Regular priceUnit price per$449.00Sale price $449.00 -
CSF Universal Half Radiator w/-16AN & Slip-On Fittings/12in SPAL Fan & Shroud
Regular price $489.00Regular priceUnit price per$489.00Sale price $489.00 -
Grimmspeed 15-21 STI Front Mount Intercooler Kit Silver Core w/ Black Piping | 090237
Regular price $1,559.00Regular priceUnit price per$1,559.00Sale price $1,559.00 -
Grimmspeed 15-21 STI Front Mount Intercooler Kit Black Core w/ Black Piping | 090257
Regular price $1,679.00Regular priceUnit price per$1,679.00Sale price $1,679.00 -
Subtle Solutions Intercooler Splitter Black Subaru STI 2008-2020
Regular price $174.99Regular priceUnit price per$0.00Sale price $174.99 -
Subtle Solutions Intercooler Splitter Red Subaru STI 2008-2020
Regular price $174.99Regular priceUnit price per$0.00Sale price $174.99 -
Subtle Solutions Intercooler Splitter Blue Subaru STI 2008-2020
Regular price $174.99Regular priceUnit price per$0.00Sale price $174.99 -
Radium Engineering Radiator Cap Type-A 1.1 Bar - Universal
Regular price $28.45Regular priceUnit price per$29.95Sale price $28.45Sale -
Vibrant Air to Air Intercooler with End Tanks 22in Wx9in Hx3.25in thick 2.5in in/out - Universal
Regular price $329.99Regular priceUnit price per$412.99Sale price $329.99Sale -
Vibrant Air to Air Intercooler with End Tanks 18in Wx6.5in Hx3.25in thick 2.5in in/out - Universal
Regular price $249.99Regular priceUnit price per$312.99Sale price $249.99Sale -
CSF Racing 08-14 WRX / 08-21 STI Aluminum Radiator with Oil Cooler | 7042O
Regular price $649.00Regular priceUnit price per$649.00Sale price $649.00
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.