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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 -
HKS 08-21 STI S-Type Oil Cooler | 15004-AF011
Regular price $1,080.00Regular priceUnit price per$1,080.00Sale price $1,080.00 -
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 -
Turbo XS 08-21 Subaru WRX / 08-18 STI / 09-18 Forester / 13-17 Crosstrek / 05-17 Legacy Dry Element Drop In Panel Filter | AF-01
Regular price $72.00Regular priceUnit price per$72.00Sale price $72.00 -
Verus Engineering 15-21 STI Air Oil Separator - Red | A0323A-RED
Regular price $428.95Regular priceUnit price per$428.95Sale price $428.95 -
Verus Engineering 15-21 STI Air Oil Separator - Blue | A0323A-BLU
Regular price $428.95Regular priceUnit price per$428.95Sale price $428.95 -
COBB 19-21 STI / 2018 STI Type RA NexGen Stage 2 + Flex Fuel Power Package w/ Blue Intake | SUB004NG2S2FF-BL
Regular price $4,125.00Regular priceUnit price per$4,125.00Sale price $4,125.00 -
COBB 15-21 STI NexGen Stage 2 + Flex Fuel Power Package w/ Redline Carbon Fiber Intake | SUB004NG2S2FF-RED
Regular price $4,754.95Regular priceUnit price per$4,754.95Sale price $4,754.95 -
Verus Engineering 15-21 STI Air Oil Separator Drain Kit | A0306A
Regular price $40.65Regular priceUnit price per$40.65Sale price $40.65 -
Perrin 15-21 Subaru WRX/STI 2pc Radiator Shroud Neon Yellow | Without OEM Intake Scoop | PSP-ENG-512-2NY
Regular price $110.50Regular priceUnit price per$110.50Sale price $110.50 -
HKS 08-21 STI / 08-14 WRX Fine Tune Power Steering / Alternator V-Belt | 24996-AK012
Regular price $50.00Regular priceUnit price per$50.00Sale price $50.00 -
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 -
Nameless Performance 15-21 Subaru WRX / 15-18 STI Axle Back w/ 3" Double Wall Polished Tips and 5" Mufflers | SUAB15WRX-5MU-30SDW
Regular price $580.00Regular priceUnit price per$580.00Sale price $580.00 -
Nameless Performance 15-21 Subaru WRX / 15-18 STI Axle Back w/ 3.5" Single Wall Polished Tips and 5" Mufflers | SUAB15WRX-5MU-35SSW
Regular price $624.00Regular priceUnit price per$624.00Sale price $624.00 -
IAG Performance 02-14 WRX / 04-21 STI / 05-09 LGT / 04-13 FXT Street Series Oil Pan Black | IAG-ENG-2200BK
Regular price $524.99Regular priceUnit price per$524.99Sale price $524.99 -
Nameless Performance 2018 STI Type RA / 19-21 STI Axle Back 3.5" Single Wall Neochrome Tips | SUAB19STI-0MU-35NEO
Regular price $506.00Regular priceUnit price per$506.00Sale price $506.00
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.