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2015-2021 WRX STI Mods

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Carbon Reproductions Sujin Style Carbon Fiber Front Lip 2015-2017 WRX/STI

$499.00
$499.00 - $499.00
$499.00
$374.25
$374.25 - $374.25
$374.25

SUJIN CARBON LIP Front lips can dramatically change the look of your vehicle. On a vehicle that already has an aggressive look, it can be a stand a...

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CSF 2-Row Black Radiator 2008-2021 WRX/STI

$455.00 - $455.00
$455.00
$455.00 - $455.00
$455.00

SPECS: 100% all-aluminum TIG-welded construction New black finish to provide a cleaner look Includes CNC-machined mounting brackets 2-row 42mm ult...

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RacerX Rear Upper Control Arms 2008-2021 WRX/STI

$759.00 - $759.00
$759.00
$759.00 - $759.00
$759.00

The Racer X Fabrication rear upper control arms for the 2008+ Subaru WRX / STI are the best option for adjusting camber on the rear of your vehicle...

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RacerX Front Lower Control Arms 2015-2021 WRX/STI

$859.00 - $859.00
$859.00
$859.00 - $859.00
$859.00

The Racer X Fabrication 4130 chromoly front lower control arms for the 2015+ Subaru WRX / STI are one of the limited options available for adjustin...

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P2M Rear Upper Control Arms 2008-2021 WRX/STI

$545.00 - $545.00
$545.00
$545.00 - $545.00
$545.00

P2M rear upper control arms for FT86 can be useful for extreme negative camber settings on the street. Combined with full adjustable rear suspe...

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Carbon Reproductions Kaze Carbon Fiber Roof Spoiler 2015-2021 WRX/STI

$319.00
$319.00 - $319.00
$319.00
$239.25
$239.25 - $239.25
$239.25

CARBON REPRODUCTIONS KAZE CF ROOF SPOILER Carbon Reproductions has taken its years of experience in manufacturing carbon fiber finished parts to c...

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Remark R1-Spec Stainless Steel Catback Exhaust 2015-2021 WRX/STI

$995.00 - $995.00
$995.00
$995.00 - $995.00
$995.00

This is the Remark R1-Spec Cat-Back Exhaust System. This is a high-performance exhaust system inspired by track-oriented exhaust systems designed w...

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Remark R1-Spec Titanium Catback Exhaust 2015-2021 WRX/STI

$1,095.00 - $1,095.00
$1,095.00
$1,095.00 - $1,095.00
$1,095.00

This is the Remark R1-Spec Cat-Back Exhaust System. This is a high-performance exhaust system inspired by track-oriented exhaust systems designed w...

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Remark Strut Tower Brace 2015-2021 WRX/STI

$265.00 - $265.00
$265.00
$265.00 - $265.00
$265.00

Weight - 2.0lbs Material - Full T304 Stainless Steel Manufacture - Tig-welded and fabricated by hand Style - Brushed finished

Remark 3.5" Stainless Single Wall Axleback 2015-2021 WRX/STI

$595.00 - $595.00
$595.00
$595.00 - $595.00
$595.00

Direct bolt-on easy installation to the factory OEM or Remark mid Y-pipe (Please note : this product will NOT fit aftermarket exhaust system)

Remark 3.5" Stainless Double Wall Axleback 2015-2021 WRX/STI

$655.00 - $655.00
$655.00
$655.00 - $655.00
$655.00

Direct bolt-on easy installation to the factory OEM or Remark mid Y-pipe (Please note : this product will NOT fit aftermarket exhaust system)

Remark 3.5" Burnt Stainless Double Wall Axleback 2015-2021 WRX/STI

$715.00 - $715.00
$715.00
$715.00 - $715.00
$715.00

Direct bolt-on easy installation to the factory OEM or Remark mid Y-pipe (Please note : this product will NOT fit aftermarket exhaust system)

Remark 3.5" Burnt Stainless Single Wall Axleback 2015-2021 WRX/STI

$695.00 - $695.00
$695.00
$695.00 - $695.00
$695.00

Direct bolt-on easy installation to the factory OEM or Remark mid Y-pipe (Please note : this product will NOT fit aftermarket exhaust system)

Remark 4" Stainless Single Wall Axleback 2015-2021 WRX/STI

$635.00 - $635.00
$635.00
$635.00 - $635.00
$635.00

Direct bolt-on easy installation to the factory OEM or Remark mid Y-pipe (Please note : this product will NOT fit aftermarket exhaust system)

Remark 4" Stainless Double Wall Axleback 2015-2021 WRX/STI

$695.00 - $695.00
$695.00
$695.00 - $695.00
$695.00

Direct bolt-on easy installation to the factory OEM or Remark mid Y-pipe (Please note : this product will NOT fit aftermarket exhaust system)

Remark 4" Burnt Stainless Single Wall Axleback 2015-2021 WRX/STI

$695.00 - $695.00
$695.00
$695.00 - $695.00
$695.00

Direct bolt-on easy installation to the factory OEM or Remark mid Y-pipe (Please note : this product will NOT fit aftermarket exhaust system)

Remark 4" Burnt Stainless Double Wall Axleback 2015-2021 WRX/STI

$755.00 - $755.00
$755.00
$755.00 - $755.00
$755.00

Direct bolt-on easy installation to the factory OEM or Remark mid Y-pipe (Please note : this product will NOT fit aftermarket exhaust system)

Remark Boso Edition Stainless Steel Axleback 2015-2021 WRX/STI

$695.00 - $695.00
$695.00
$695.00 - $695.00
$695.00

They are the outlaws of Japan, and known as the "Violent Speed Gang".The outrageous styling, and designs of their JDM vehicles are very iconic with...

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Remark Boso Edition Burnt Stainless Steel Axleback 2015-2021 WRX/STI

$795.00 - $795.00
$795.00
$795.00 - $795.00
$795.00

They are the outlaws of Japan, and known as the "Violent Speed Gang".The outrageous styling, and designs of their JDM vehicles are very iconic with...

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Remark Boso Edition Burnt Blue Axleback 2015-2021 WRX/STI

$565.00 - $565.00
$565.00
$565.00 - $565.00
$565.00

They are the outlaws of Japan, and known as the "Violent Speed Gang".The outrageous styling, and designs of their JDM vehicles are very iconic with...

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Remark 3.5" Stealth Edition Axleback 2015-2021 WRX/STI

$795.00 - $795.00
$795.00
$795.00 - $795.00
$795.00

Here, you are looking at the Remark Axle-Back Exhaust System. These have been designed to save weight by replacing the heavy factory mufflers, all ...

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Remark Non Resonated Midpipe 2015-2021 WRX/STI

$755.00 - $755.00
$755.00
$755.00 - $755.00
$755.00

This is the Remark Mid Pipe Kit. This mid-pipe has been designed with a larger piping diameter to improve the power, performance, and the turbo res...

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Remark Resonated Midpipe 2015-2021 WRX/STI

$855.00 - $855.00
$855.00
$855.00 - $855.00
$855.00

This is the Remark Mid Pipe Kit. This mid-pipe has been designed with a larger piping diameter to improve the power, performance, and the turbo res...

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Remark 3.5" Stainless Single Wall SPT Axleback 2015-2021 WRX/STI

$455.00 - $455.00
$455.00
$455.00 - $455.00
$455.00

Got an SPT exhaust system on your Subaru WRX/STI VA?  Upgrade with a REMARK Axleback system for your Subaru  SPT WRX/STI VA today! 

Remark 3.5" Stainless Double Wall SPT Axleback 2015-2021 WRX/STI

$495.00 - $495.00
$495.00
$495.00 - $495.00
$495.00

Got an SPT exhaust system on your Subaru WRX/STI VA?  Upgrade with a REMARK Axleback system for your Subaru  SPT WRX/STI VA today! 

Remark 3.5" Burnt Stainless Double Wall SPT Axleback 2015-2021 WRX/STI

$545.00 - $545.00
$545.00
$545.00 - $545.00
$545.00

Got an SPT exhaust system on your Subaru WRX/STI VA?  Upgrade with a REMARK Axleback system for your Subaru  SPT WRX/STI VA today! 

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Perrin Transmission Mount 2002+ WRX/STI

$352.00
$352.00 - $352.00
$352.00
$264.00
$264.00 - $264.00
$264.00

The PERRIN Performance transmission mount kit reduces drivetrain movement under hard acceleration, deceleration and cornering. WHY DO I WANT STIFFE...

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Perrin Rear Spherical Endlinks 2008+ WRX / 2008-2021 STI

$292.00
$292.00 - $292.00
$292.00
$219.00
$219.00 - $219.00
$219.00

Improve a known failure point with a set of high grade PERRIN Endlinks! WHY YOU NEED THESE ENDLINKS OEM steel endlinks are a small, flimsy and can ...

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Perrin Black Cold Air Intake 2018-2021 STI

$315.00
$315.00 - $315.00
$315.00
$236.25
$236.25 - $236.25
$236.25

SPECS: Capable of adding 15-30 WHP depending on tune and supporting modifications Intakes are constructed from aluminum tubing which is precision ...

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Perrin Neon Yellow Cold Air Intake 2018-2021 STI

$333.00
$333.00 - $333.00
$333.00
$249.75
$249.75 - $249.75
$249.75

SPECS: Capable of adding 15-30 WHP depending on tune and supporting modifications Intakes are constructed from aluminum tubing which is precision ...

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Perrin Red Cold Air Intake 2018-2021 STI

$315.00
$315.00 - $315.00
$315.00
$236.25
$236.25 - $236.25
$236.25

SPECS: Capable of adding 15-30 WHP depending on tune and supporting modifications Intakes are constructed from aluminum tubing which is precision ...

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Carbon Reproductions RS Low Profile Spoiler 2015-2021 WRX/STI

$299.00
$299.00 - $299.00
$299.00
$224.25
$224.25 - $224.25
$224.25

CARBON REPRODUCTIONS LOW PROFILE SPOILER This spoiler is rather unique as it can run alone or with some other spoilers. Even with the factory STI s...

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Carbon Reproductions Kyoto Style Carbon Fiber Rear Spats 2015-2021 WRX/STI

$219.00
$219.00 - $219.00
$219.00
$164.25
$164.25 - $164.25
$164.25

Carbon fiber body parts attract a lot of attention and rightfully so. These parts require no additional sanding or painting to mount. You receive t...

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Carbon Reproductions Sujin Style Carbon Fiber Rear Spats 2015-2021 WRX/STI

$209.00
$209.00 - $209.00
$209.00
$156.75
$156.75 - $156.75
$156.75

Carbon fiber body parts attract a lot of attention and rightfully so. These parts require no additional sanding or painting to mount. You receive t...

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OLM Carbon Fiber Hood Struts 2015-2021 WRX/STI

$109.00 - $109.00
$109.00
$109.00 - $109.00
$109.00

DESCRIPTION Add a little style to your hood struts by swapping them for these OLM Carbon Fiber Hood Struts. This piece offers the same OE style and...

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Verus Engineering Non Aggressive Rear Diffuser 2015-2021 WRX/STI

$749.95 - $749.95
$749.95
$749.95 - $749.95
$749.95

OVERVIEW The Verus Engineering Non-Aggressive Rear Diffuser combines function, form, and science to deliver unparalleled fit, performance, and sty...

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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!