Collection: Subaru STI 2015-2021 Engine Parts
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GetaDomTune Cylinder 4 Chamber Cooling System w/Metal Fitting Subaru 2004+ STI / 2002-2014 WRX | CYL4COOL-SS
Regular price $89.00 USDRegular priceUnit price / per$89.00 USDSale price $89.00 USD -
Invidia Stock Downpipe to 3in Exhaust Adapter - Universal | HS02SWIAPE
Regular price $54.66 USDRegular priceUnit price / per$70.00 USDSale price $54.66 USDSale -
Vibrant 2-Bolt High Temperature Exhaust Gasket - Universal
Regular price From $5.75 USDRegular priceUnit price / per$7.59 USDSale price From $5.75 USDSale -
Grimmspeed Fender Shroud - Red Subaru WRX / STI 15-21 | 096048
Regular price $89.00 USDRegular priceUnit price / per$89.00 USDSale price $89.00 USD -
Cobb Redline Carbon Fiber Alternator Cover Gloss Finish Subaru Impreza WRX STI 2008-2014 / WRX STI 2015+ | 422600
Regular price $150.00 USDRegular priceUnit price / per$150.00 USDSale price $150.00 USD -
PLM Power Driven Subaru EWG Up Pipe with Dump Tube 44mm | PLM-SUB-UP-PIPE-EWG-44MM
Regular price $229.00 USDRegular priceUnit price / per$295.00 USDSale price $229.00 USDSale -
SubiSpeed Exhaust Hole Delete (Cover) for Single Exit Systems Subaru WRX / STI 15-2020
Regular price $75.00 USDRegular priceUnit price / per$75.00 USDSale price $75.00 USD -
Tomei 08-14 WRX / 04-21 STI Equal Length Exhaust Manifold | TB6010-SB02B
Regular price $801.00 USDRegular priceUnit price / per$801.00 USDSale price $801.00 USD -
GrimmSpeed Downpipe to Catback 3in Gasket - Universal | 022001
Regular price $22.00 USDRegular priceUnit price / per$22.00 USDSale price $22.00 USD -
Invidia 15-21 WRX/STI Gemini R400 Signature Series Black Tip Quad Tip Exhaust | HS15STIGM4SB
Regular price $1,337.00 USDRegular priceUnit price / per$1,910.00 USDSale price $1,337.00 USDSale -
Invidia High Flow Cat w/ Extra 02 Bung Downpipe Subaru WRX 08-14 / STI 08-21 | HS08SW1DOC
Regular price $714.00 USDRegular priceUnit price / per$1,020.00 USDSale price $714.00 USDSale -
Perrin Engine Cover Kit Neon Yellow Subaru WRX 15-21 | PSP-ENG-165NY
Regular price $276.25 USDRegular priceUnit price / per$325.00 USDSale price $276.25 USDSale -
GrimmSpeed 02-07 WRX / 04-21 STI Blow Off Valve Flange Gasket | 020023
Regular price $13.00 USDRegular priceUnit price / per$13.00 USDSale price $13.00 USD -
Fluidampr Balanced Damper Subaru WRX 2002-2014 / STI 2004-21 | 531101
Regular price $473.45 USDRegular priceUnit price / per$557.00 USDSale price $473.45 USDSale -
HKS 08-21 STI Super SQV4 Blow Off Valve Black Edition w/ Suction Return Kit | 71008-KF013VB
Regular price $348.00 USDRegular priceUnit price / per$348.00 USDSale price $348.00 USD -
Compressive Tuning 22-24 WRX (VB) / 15-21 STI / 2019+ Ascent / Outback/Legacy AirShields |
Regular price $135.00 USDSale price $135.00 USDUnit price / per
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.