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2015-2021 WRX & STI Mods

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Mishimoto Red Charge Pipe Kit 2015-2021 WRX

$319.95
$319.95 - $319.95
$319.95
$352.00
$352.00 - $352.00
$352.00

DESCRIPTION Looking for a way to improve spool-up, increase power potential, and improve engine bay aesthetics? Mishimoto has you covered with thei...

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Mishimoto Black Charge Pipe Kit 2015-2021 WRX

$319.95
$319.95 - $319.95
$319.95
$352.00
$352.00 - $352.00
$352.00

DESCRIPTION Looking for a way to improve spool-up, increase power potential, and improve engine bay aesthetics? Mishimoto has you covered with thei...

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Mishimoto Black Top Mount Intercooler Kit 2008-2021 STI

$695.95
$695.95 - $695.95
$695.95
$766.00
$766.00 - $766.00
$766.00

DESCRIPTION The Mishimoto Performance Direct-Fit Top-Mount Intercooler for the 2008-2021 Subaru WRX STI is designed to reduce intake temperatures a...

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Mishimoto Silver Front Mount Intercooler Kit 2015-2021 WRX

$1,624.95
$1,624.95 - $1,624.95
$1,624.95
$1,787.00
$1,787.00 - $1,787.00
$1,787.00

DESCRIPTION Designed for applications that demand the greatest airflow and cooling capabilities, the Mishimoto WRX Front-Mount Intercooler Kit prov...

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Mishimoto Black Front Mount Intercooler Kit 2015-2021 WRX

$1,624.95
$1,624.95 - $1,624.95
$1,624.95
$1,787.00
$1,787.00 - $1,787.00
$1,787.00

DESCRIPTION Designed for applications that demand the greatest airflow and cooling capabilities, the Mishimoto WRX Front-Mount Intercooler Kit prov...

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Mishimoto Black Oil Cooler Kit 2015-2021 WRX

$706.95 - $822.95
$706.95 - $822.95
$706.95
$778.00 - $905.00
$778.00 - $905.00
$778.00

DESCRIPTION Protect your engine with the Mishimoto Direct-Fit Oil Cooler Kit, designed for 2015-2021 Subaru WRX models. Engineered to work alongsid...

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GrimmSpeed Titanium Radiator Shroud 2015–2021 WRX / 2015-2021 STI

$309.00
$309.00 - $309.00
$309.00
$309.00 - $309.00

DESCRIPTION The GrimmSpeed Titanium Radiator Shroud for the 2015–2021 WRX and STI transforms one of the most visible areas of the engine bay into a...

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Mishimoto Neon Yellow Silicone Radiator Hose Kit 2015-2021 WRX

$134.95
$134.95 - $134.95
$134.95
$148.00
$148.00 - $148.00
$148.00

DESCRIPTION Ditch the rubber and upgrade to the Mishimoto Silicone Radiator Hose Kit for your 2015 Subaru WRX. This kit includes upper and lower ra...

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Mishimoto Black Plug & Play Aluminum Fan Shroud Kit 2008-2014 WRX / 2008-2015 STI

$359.95
$359.95 - $359.95
$359.95
$396.00
$396.00 - $396.00
$396.00

DESCRIPTION Maximize engine bay space and cooling efficiency with the Mishimoto Plug-N-Play Aluminum Fan Shroud Kit for Subaru WRX/STI. Designed to...

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Mishimoto Polished Plug & Play Aluminum Fan Shroud Kit 2008-2014 WRX / 2008-2015 STI

$334.95
$334.95 - $334.95
$334.95
$368.00
$368.00 - $368.00
$368.00

DESCRIPTION Maximize engine bay space and cooling efficiency with the Mishimoto Plug-N-Play Aluminum Fan Shroud Kit for Subaru WRX/STI. Designed to...

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Verus Engineering Air Oil Separator 2015-2021 STI

$429.95
$429.95 - $429.95
$429.95
$429.95 - $429.95

DESCRIPTION Protect your 2015–2021 Subaru STI engine with the Verus Engineering Air Oil Separator, designed to keep oil out of the intake system an...

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GrimmSpeed Titanium Fender Shrouds 2015–2021 WRX / 2015-2021 STI

$309.00
$309.00 - $309.00
$309.00
$309.00 - $309.00

DESCRIPTION Upgrade your 2015–2021 Subaru WRX or STI engine bay with GrimmSpeed Titanium Fender Shrouds. These precision-crafted titanium panels re...

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Fuel Injector Clinic 1440cc Fuel Injectors 2002-2014 WRX / 2007-2021 STI

$819.00
$819.00 - $819.00
$819.00
$819.00 - $819.00

DESCRIPTION The Fuel Injector Clinic 1440cc Top Feed Injectors for the 2002-2014 WRX and 2007-2021 STI deliver a major increase in fuel capacity, m...

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Fuel Injector Clinic 775cc Fuel Injectors 2002-2014 WRX / 2007-2021 STI

$410.00
$410.00 - $410.00
$410.00
$410.00 - $410.00

DESCRIPTION The Fuel Injector Clinic 775cc Top Feed Injectors for the 2002-2014 WRX and 2007-2021 STI deliver a solid step up in fueling capacity f...

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Fuel Injector Clinic 2150cc Fuel Injectors 2002-2014 WRX / 2007-2021 STI

$914.00
$914.00 - $914.00
$914.00
$914.00 - $914.00

DESCRIPTION The Fuel Injector Clinic 2150cc Top Feed Injectors for the 2002-2014 WRX and 2007-2021 STI are built for high-horsepower setups that de...

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Fuel Injector Clinic 1200cc Fuel Injectors 2002-2014 WRX / 2007-2021 STI

$567.00
$567.00 - $567.00
$567.00
$567.00 - $567.00

DESCRIPTION The Fuel Injector Clinic 1200cc Top Feed Injectors for the 2002-2014 WRX and 2007-2021 STI deliver the added fueling capacity needed fo...

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Fuel Injector Clinic 1650cc Fuel Injectors 2002-2014 WRX / 2007-2021 STI

$914.00
$914.00 - $914.00
$914.00
$914.00 - $914.00

DESCRIPTION The Fuel Injector Clinic 1650cc Top Feed Injectors for the 2002-2014 WRX and 2007-2021 STI provide the fuel delivery needed for high-po...

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Perrin Pink Coolant Overflow Tank 2002+ WRX / 2004-2021 STI

$166.50
$166.50 - $166.50
$166.50
$222.00
$222.00 - $222.00
$222.00

DESCRIPTION The Perrin Coolant Overflow Tank for the 2002+ Subaru WRX and 2004–2021 STI is a premium upgrade that replaces the factory plastic tank...

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Perrin Black Coolant Overflow Tank 2002+ WRX / 2004-2021 STI

$156.00
$156.00 - $156.00
$156.00
$208.00
$208.00 - $208.00
$208.00

DESCRIPTION The Perrin Coolant Overflow Tank for the 2002+ Subaru WRX and 2004–2021 STI is a premium upgrade that replaces the factory plastic tank...

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IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads 2002-2014 WRX / 2004-2021 STI

$18,749.99 - $18,999.99
$18,749.99 - $18,999.99
$18,749.99
$18,749.99 - $18,999.99

IAG 1150 LONG BLOCK ENGINE WITH IAG 1150 HEADS FOR 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT A "DROP-IN" SOLUTION The IAG Perf...

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IAG 1150 2.35L Destroked Long Block Engine w/ IAG 1150 Heads 2002-2014 WRX / 2004-2021 STI

$19,249.99 - $19,499.99
$19,249.99 - $19,499.99
$19,249.99
$19,249.99 - $19,499.99

IAG 1150 2.35L DESTROKED LONG BLOCK ENGINE W/ IAG 1150 HEADS DROP IN AND DRIVE The IAG Performance hand-built Subaru 11...

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IAG 950 2.35L Destroked Long Block Engine w/ IAG 950 Heads 2002-2014 WRX / 2004-21 STI

$14,599.99 - $14,899.99
$14,599.99 - $14,899.99
$14,599.99
$14,599.99 - $14,899.99

IAG 950 2.35L DESTROKED LONG BLOCK ENGINE W/ IAG 950 HEADS DROP IN AND DRIVE The IAG Performance han...

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Mishimoto X-Line Aluminum Radiator 2008-2014 WRX / 2008-2021 STI

$409.95
$409.95 - $409.95
$409.95
$451.00
$451.00 - $451.00
$451.00

DESCRIPTION Keep your 2008-2014 Subaru WRX or 2008-2021 STI cool and protected with the Mishimoto X-Line Performance Aluminum Radiator. Featuring a...

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Mishimoto Aluminum Coolant Expansion Tank 2002-2007 WRX / 2004-2016 STI

$188.95
$188.95 - $188.95
$188.95
$208.00
$208.00 - $208.00
$208.00

DESCRIPTION Upgrade your cooling system with the Mishimoto Aluminum Coolant Expansion Tank for the 2002-2007 Subaru WRX and 2004-2016 STI. Designed...

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Mishimoto Silver Oil Cooler Kit 2015-2021 STI

$570.95 - $624.95
$570.95 - $624.95
$570.95
$628.00 - $687.00
$628.00 - $687.00
$628.00

DESCRIPTION The Mishimoto Oil Cooler Kit for the 2015-2021 Subaru STI is designed to keep your engine cool and reliable, whether on the street or t...

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Mishimoto Silver Top Mount Intercooler Kit 2008-2021 STI

$695.95
$695.95 - $695.95
$695.95
$766.00
$766.00 - $766.00
$766.00

DESCRIPTION The Mishimoto Performance Direct-Fit Top-Mount Intercooler for the 2008-2021 Subaru WRX STI is designed to reduce intake temperatures a...

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Mishimoto Titanium Turbo Blanket 2015-2021 WRX

$159.95
$159.95 - $159.95
$159.95
$176.00
$176.00 - $176.00
$176.00

DESCRIPTION The Mishimoto Turbo Blanket for the 2015-2021 Subaru WRX is an essential upgrade to reduce engine bay heat and enhance turbo efficiency...

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Mishimoto Titanium Turbo Blanket 2002-2014 WRX / 2004-2021 STI

$85.95
$85.95 - $85.95
$85.95
$95.00
$95.00 - $95.00
$95.00

DESCRIPTION The Mishimoto Turbo Blanket is a must-have upgrade for 2001-2014 Subaru WRX and 2004-2017 STI owners seeking to reduce engine bay heat ...

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Mishimoto Baffled Oil Catch Can System 2015-2016 WRX

$543.95
$543.95 - $543.95
$543.95
$598.00
$598.00 - $598.00
$598.00

DESCRIPTION The Mishimoto Baffled Oil Catch Can System for 2015-2016 Subaru WRX is engineered to reduce carbon buildup in FA20-DIT engines, a commo...

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Mishimoto Silver Oil Cooler Kit 2015-2021 WRX

$706.95 - $822.95
$706.95 - $822.95
$706.95
$778.00 - $905.00
$778.00 - $905.00
$778.00

DESCRIPTION Protect your engine with the Mishimoto Direct-Fit Oil Cooler Kit, designed for 2015-2021 Subaru WRX models. Engineered to work alongsid...

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Mishimoto Black Street Performance Top Mount Intercooler 2015-2021 WRX

$665.95
$665.95 - $665.95
$665.95
$733.00
$733.00 - $733.00
$733.00

DESCRIPTION The Mishimoto Street Performance Intercooler takes the place of the stock unit and is specifically designed for use on the stock tune u...

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Mishimoto Polished Charge Pipe Kit 2015-2021 WRX

$319.95
$319.95 - $319.95
$319.95
$352.00
$352.00 - $352.00
$352.00

DESCRIPTION Looking for a way to improve spool-up, increase power potential, and improve engine bay aesthetics? Mishimoto has you covered with thei...

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Perrin Black Jack Pad Set 2002+ WRX / 2004-2021 STI

$87.75
$87.75 - $87.75
$87.75
$117.00
$117.00 - $117.00
$117.00

DESCRIPTION The pinch weld jack points are easily bent and damaged during routine tasks like tire changes and car maintaince. This damage occurs fr...

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Perrin Silver Top Mount Intercooler Kit 2008-2021 STI

$667.50
$667.50 - $667.50
$667.50
$890.00
$890.00 - $890.00
$890.00

DESCRIPTION The Perrin TMIC is 12% larger than the nearest competitor's core. The large core means less restriction and better cooling capabilities...

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GrimmSpeed Head Gasket Set 2006-2014 WRX / 2004-2021 STI

$149.00
$149.00 - $149.00
$149.00
$149.00 - $149.00

DESCRIPTION The GrimmSpeed Head Gaskets feature a multi-layer steel (MLS) construction, in which multiple grades are used to provide optimal surfac...

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GrimmSpeed Red Electronic Boost Control Cover 2008-2021 STI

$62.00
$62.00 - $62.00
$62.00
$62.00 - $62.00

DESCRIPTION We decided on a subtle design for this cover that mimics the “vent” styling on our matching GrimmSpeed Alternator Cover. Is it made fro...

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If you own a Subaru WRX STI, you know you have the perfect platform to craft a masterpiece on wheels. At WRXDaily, we understand that every enthusiast has a vision, and we’re here to offer the WRX STI mods you need to bring yours to life. With products tailored to elevate performance, enhance style, and perfect handling, our curated selection puts endless possibilities at your fingertips. 

No matter what you need, our Subaru WRX STI modifications deliver quality and reliability you can trust. From high-performance upgrades to must-have Subaru STI accessories, we have everything you need to create a car that’s as bold and unique as your passion for driving. Own a 2018 WRX? We offer a variety of 2018 WRX parts designed to fit your specific model. 

With WRXDaily, your Subaru becomes a true reflection of your style and ambition. Browse our selection of WRX STI mods today and start your next build!