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Radium Fuel Hanger Plumbing Kit Microglass Subaru Impreza 2008-21 / Forester 2008-2014 / Legacy 2005-2009 / Outback 2005-2009 / STi 2015+ | 20-0629-05
Regular price $455.95Regular priceUnit price per$479.95Sale price $455.95Sale -
Torque Solution Fixed Wastegate Bracket Subaru WRX 2008-2014 / STI 2004-21 w/ IHI VF Turbo | TS-SU-436.2
Regular price $33.32Regular priceUnit price per$33.32Sale price $33.32 -
GrimmSpeed Stage 2 Power Package Black Subaru STI 2015 - 2021 | grm191014
Regular price $1,205.00Regular priceUnit price per$1,205.00Sale price $1,205.00 -
Subaru OEM IHI VF48 Turbocharger Subaru STI 2008+ | 14411AA700
Regular price $2,404.61Regular priceUnit price per$2,404.61Sale price $2,404.61 -
Wagner Tuning Competition Intercooler Kit Subaru WRX 2014+ / STI 2014+ | 200001115
Regular price $790.00Regular priceUnit price per$790.00Sale price $790.00 -
MagnaFlow EPA Compliant Direct-Fit Catalytic Converte Subaru STi 2015+ | 49160
Regular price $966.00Regular priceUnit price per$966.00Sale price $966.00 -
aFe Takeda Momentum Pro Dry S Cold Air Intake System Subaru WRX 2018-21 / STI 2018-21 | 56-70014D
Regular price $420.00Regular priceUnit price per$420.00Sale price $420.00 -
aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX 2018-21 / STI H4-2.5L 2018-21 | 56-70014R
Regular price $408.00Regular priceUnit price per$408.00Sale price $408.00 -
MBRP 15-21 Subaru WRX/STI Armor Pro Series Axle Back w/ Stainless Steel Tips | S4801304
Regular price $374.99Regular priceUnit price per$438.52Sale price $374.99Sale -
MAPerformance EJ25 Stage 2 Shortblock Assembly Customer Supplied Block Subaru WRX 2015+ / STI 2015+ | SUB-SB-25-S2-CSSB
Regular price $3,369.99Regular priceUnit price per$3,369.99Sale price $3,369.99 -
MAPerformance EJ25 Stage 3 Shortblock Assembly Subaru WRX 2015+ / STI 2015+ | SUB-SB-25-S3-PARENT
Regular price $6,684.99Regular priceUnit price per$6,684.99Sale price $6,684.99 -
MAPerformance EJ25 Shortblock Assembly Stage 1 Subaru Subaru WRX 2002-2018 / STI 2004-21 | SUB-SB-25-S1-PARENT
Regular price $3,499.99Regular priceUnit price per$3,499.99Sale price $3,499.99 -
MAPerformance Catback Exhaust System | 15-2020 Subaru WRX 15-2020 / STI 15-2020 | WRX-4G-CB-NM-REV2-PARENT
Regular price From $1,154.99Regular priceUnit price per$1,154.99Sale price From $1,154.99 -
MAPerformance Axle-Back Exhaust Subaru WRX 15-2018 / STI 15-21 | WRX-4G-RMD-SCB-REV2-PARENT
Regular price From $360.14Regular priceUnit price per$360.14Sale price From $360.14 -
Cobb 15-21 Subaru WRX /STI Front Mount Intercooler Core Only Silver | 716500-SL
Regular price $1,050.00Regular priceUnit price per$1,050.00Sale price $1,050.00 -
Cobb 15-21 STI Front Mount Intercooler Cold Side Piping | 716500-C
Regular price $435.00Regular priceUnit price per$435.00Sale price $435.00
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.