PRODUCT TYPE
2021 Subaru WRX STI Base Performance Parts
204 parts
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Vendor:2008–2014 Subaru WRX / 2008–2021 Subaru STI Radiators Features Built with PWR’s high-efficiency aluminum cores, fully engineered and manufactured in-house Handmade and professionally TIG welded in the USA OE-style fitment designed for true plug-and-play installation across all variants Maximized core face area to fully...Regular price From $1,199.00Regular priceUnit price per
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Vendor:Custom built multi-function digital boost gauge and more for the Gen 3 (2008-2011) Subaru Impreza, WRX, WRX STI, and Forester models. In one sleek display you get real-time access to everything that matters - Boost, Engine Temps, Performance Timers, Code Reading/Clearing, and more. All...Regular price $389.00Regular priceUnit price per
- Orange
- Red
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Vendor:Custom built multi-function digital boost gauge and more for the Gen 4 (2012-2016) Subaru Impreza, WRX, WRX STI, and Forester models. In one sleek display you get real-time access to everything that matters - Boost, Engine Temps, Performance Timers, Code Reading/Clearing, and more. All...Regular price $389.00Regular priceUnit price per
- Red / White
- Orange
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Vendor:Replace the worn bushing on the inboard side of the rear lower control arm on many Subaru models from the 2000's to present. Need the toe cam adjuster too? Check out SPC part number 67668 for many 2000 to 2009 models. Part replaces OE...Regular price $24.96Regular priceUnit price per
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Vendor:aFe is proud to introduce an all new Takeda dual cat-back exhaust system for the 2015-2020 Subaru WRX and WRX STI with the H4-2.0L/2.5L (t) engines. This performance cat-back exhaust system is constructed out of 3" into dual 2-1/4" mandrel-bent 304 stainless steel tubing...Regular price $1,852.00Regular priceUnit price per
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Vendor:This Takeda dual cat-back exhaust system for the 2015 - 2020 Subaru WRX and WRX STI delivers true bolt-on performance with gains up to +14 horsepower and +22 lbs. x ft. of torque as measured on our in-house dyno. 3" into 2-1/4" mandrel-bent 304...Regular price $2,135.00Regular priceUnit price per
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Vendor:Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49161. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's...Regular price $851.00Regular priceUnit price per
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Vendor:Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49160. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding...Regular price $1,053.00Regular priceUnit price per
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Vendor:Built for enthusiasts, backed by legacy. Air Lift Performance Coilovers deliver superior quality, an aggressive stance, and a sporty ride you can trust. Get a lowered stance while still experiencing the best quality, designed for durability and performance. Our coilovers are the perfect solution...Regular price $1,149.99Regular priceUnit price per
$1,503.99Sale price $1,149.99In stock -
Vendor:The SPL rear knuckle bushings replace the rubber factory knuckle bushing with a low friction PTFE-lined spherical bearing. Replacing the OEM rubber bushing eliminates deflection under heavy acceleration and braking loads that leads to unwanted geometry changes, and prevents binding by allowing the knuckle...Regular price $134.10Regular priceUnit price per
$149.00Sale price $134.10In stock -
Vendor:The embossed outer layers of the gaskets meet the demands of a variety of harsh sealing environments, load conditions, and surface finishesThis Part Fits: Year Make Model Submodel 2018-2021 Subaru WRX STI Base 2018-2021 Subaru WRX STI Limited 2019 Subaru WRX STI S209 2018...Regular price $94.27Regular priceUnit price per
$104.74Sale price $94.27Special order5–8 days -
Vendor:Koni Sport (Yellow) Shock 2015+ Subaru WRX (VA) - RearThis Part Fits: Year Make Model Submodel 2015-2021 Subaru WRX Base 2015-2021 Subaru WRX Limited 2015-2021 Subaru WRX Premium 2015-2021 Subaru WRX STI Base 2015 Subaru WRX STI Launch Edition 2015-2021 Subaru WRX STI Limited...Regular price $241.89Regular priceUnit price per
$392.98Sale price $241.89In stock -
Vendor:PowerStop is on a mission to deliver an easy and affordable way for any driver to upgrade their brakes - no matter where or how they use their vehicle. PowerStop Coated Hat and Edge Rotors are a partially coated, direct bolt-on replacement for original...Regular price $84.20Regular priceUnit price per
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Vendor:CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your WRX/STI running at its best, a CSF High-Performance All-Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track,...Regular price $485.00Regular priceUnit price per
$509.00Sale price $485.00In stock -
Vendor:Looking for maximum performance for your car? Our adjustable ST XTA Coilover kits are the upgrade you need. All ST XTA systems are delivered with a linear race springs system, adjustable dampers, and aluminum unibal camber adjustable top mounts. ST XTA Coilover kits deliver...Regular price $1,649.00Regular priceUnit price per
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Vendor:Bilstein B8 Performance Plus dampers are a performance upgrade to OE dampers designed to be paired with aftermarket lowering springs. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is...Regular price $335.00Regular priceUnit price per
$498.00Sale price $335.00In stock
