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2015-2021 WRX & STI Mods

APR Carbon Fiber Front Air Dam 2015-2017 WRX / 2015-2017 STI

Current price $896.40
$896.40 - $896.40
Current price $896.40
Original price $996.00
Original price $996.00 - Original price $996.00
Original price $996.00

Underbody components such as front air dams, undertrays, and rear diffusers are essential for maximizing aerodynamic performance. The APR Performan...

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APR Carbon Fiber Rear Bumper Vents 2015-2021 WRX/STI

Current price $440.10
$440.10 - $440.10
Current price $440.10
Original price $489.00
Original price $489.00 - Original price $489.00
Original price $489.00

Excessive heat can cause major and expensive  damage to critical components in a car. Engine bays, radiators, brakes, transmissions, and differenti...

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APR Carbon Fiber Upper Canards 2018-2021 WRX/STI

Current price $274.50
$274.50 - $274.50
Current price $274.50
Original price $305.00
Original price $305.00 - Original price $305.00
Original price $305.00

APR Front Bumper Canards are the perfect answer to aerodynamically tune the handling for the front of a car. Made of lightweight and durable carbon...

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APR Carbon Fiber Canards 2018-2021 WRX/STI

Current price $351.00
$351.00 - $351.00
Current price $351.00
Original price $390.00
Original price $390.00 - Original price $390.00
Original price $390.00

APR Front Bumper Canards are the perfect answer to aerodynamically tune the handling for the front of a car. Made of lightweight and durable carbon...

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APR Carbon Fiber Aero Kit 2018-2021 WRX/STI

Current price $2,092.50
$2,092.50 - $2,092.50
Current price $2,092.50
Original price $2,325.00
Original price $2,325.00 - Original price $2,325.00
Original price $2,325.00

The aerodynamic kit for the Subaru WRX/STI combines all the best aerodynamic upgrades into a single package. This package is designed to improve hi...

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APR Brake Cooling Kit 2018-2021 STI

Current price $918.90
$918.90 - $918.90
Current price $918.90
Original price $1,021.00
Original price $1,021.00 - Original price $1,021.00
Original price $1,021.00

The APR Brake Cooling Ducts are aerodynamically-optimized to "funnel in" massive amounts of air. Also known as the venturi effect, when the vehicle...

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OLM S-Line Forged Carbon Fiber Hood Vent Extension 2015-2021 WRX/STI

$249.00
$249.00 - $249.00
Current price $249.00
Original price $249.00 - Original price $249.00
Original price

DESCRIPTION Make your vehicle truly stand out by adding a piece of forged carbon fiber to your hood. Forged carbon, a newer style often seen on exo...

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Varis Widebody Aero Kit 2015-2021 WRX/STI

$10,335.00
$10,335.00 - $10,335.00
Current price $10,335.00
Original price $10,335.00 - Original price $10,335.00
Original price

WIDEBODY FULL KIT B:* FRONT BUMPER (FRP) + FRONT LIP (CARBON) *2PCS* FRONT FENDER ONE SIDE 60MM WIDE (FRP) *4PCS* SIDE SKIRT (FRP) + BIG UNDER BOAR...

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KW Club Sport Coilover Kit 2015-2021 WRX/STI

$5,584.00
$5,584.00 - $5,584.00
Current price $5,584.00
Original price $5,584.00 - Original price $5,584.00
Original price

The KW Clubsport coilovers combine KW's high-end racing technology with maintenance-free KW OEM components and TÜV certificate. This will provide y...

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KW Variant 3 Coilover Kit 2015-2021 WRX/STI

$3,894.00
$3,894.00 - $3,894.00
Current price $3,894.00
Original price $3,894.00 - Original price $3,894.00
Original price

If you require the absolute pinnacle of suspension technology, the KW Variant 3 coilover system is for you. Variant 3 coilovers take KW innovation ...

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KW Variant 1 Coilover Kit 2015-2021 WRX/STI

$2,414.00
$2,414.00 - $2,414.00
Current price $2,414.00
Original price $2,414.00 - Original price $2,414.00
Original price

The KW coilover kit Variant 1 "inox-line" is our entry model for more driving pleasure with an attractive and individually adjustable lowering. Due...

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GrimmSpeed Stage 1 Power Package 2015-2021 STI

$465.00
$465.00 - $465.00
Current price $465.00
Original price $465.00 - Original price $465.00
Original price

DESCRIPTION The GrimmSpeed Stage 1 Power Package combines GrimmSpeed's Cold Air Intake System, as well as the GrimmSpeed 3-Port Electronic Boost Co...

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Forced Performance XR Red 79HTZ Turbocharger 2002-2007 WRX / 2004-2021 STI

$2,899.00 - $2,999.00
$2,899.00 - $2,999.00
Current price $2,899.00
Original price $2,899.00 - Original price $2,999.00
Original price

XR Red   Compressor wheel - 79HTZ Flow rating - 65LB per minute CW Measurements - 57MM Inducer / 79MM Exducer TW Measurements - 67.7MM Inducer / 6...

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Forced Performance XR Blue 73HTZ Turbocharger 2002-2007 WRX / 2004-2021 STI

$2,699.00 - $2,999.00
$2,699.00 - $2,999.00
Current price $2,699.00
Original price $2,699.00 - Original price $2,999.00
Original price

XR Blue™   Compressor wheel - 73HTZ™ Flow rating - 57LB per minute CW Measurements - 52.6MM Inducer / 73MM Exducer TW Measurements - 60.8MM Induc...

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Forced Performance XR Black 82HTZ Turbocharger 2002-2007 WRX / 2004-2021 STI

$2,899.00 - $2,999.00
$2,899.00 - $2,999.00
Current price $2,899.00
Original price $2,899.00 - Original price $2,999.00
Original price

New for 2020! All FP Black model turbos will come standard with a black coated compressor cover!   Compressor wheel - 82HTZ Flow rating - 71LB per...

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SuperPro Rear Sway Bar Mount Brace Kit 2015-2021 WRX/STI

$85.99
$85.99 - $85.99
Current price $85.99
Original price $85.99 - Original price $85.99
Original price

SuperPro has a complete replacement and repair upgrade solution for control arms.The SuperPro kit comes with arms with heavy duty ball joints, brac...

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SuperPro Rear 24mm Adjustable Sway Bar Kit 2015-2021 WRX/STI

$389.99
$389.99 - $389.99
Current price $389.99
Original price $389.99 - Original price $389.99
Original price

If you are looking for increased cornering capabilities with decreased body roll, Roll Control sway bars are the answer! By being adjustable the Sw...

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SuperPro Rear 22mm Adjustable Sway Bar Kit 2015-2021 WRX/STI

$349.99
$349.99 - $349.99
Current price $349.99
Original price $349.99 - Original price $349.99
Original price

If you are looking for increased cornering capabilities with decreased body roll, Roll Control sway bars are the answer! By being adjustable the Sw...

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SuperPro Front 26mm Adjustable Sway Bar Kit 2015-2021 WRX/STI

$329.99
$329.99 - $329.99
Current price $329.99
Original price $329.99 - Original price $329.99
Original price

If you are looking for increased cornering capabilities with decreased body roll, Roll Control sway bars are the answer! By being adjustable the Sw...

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ETS Axleback Midpipe 2015-2021 WRX/STI

$745.00 - $845.00
$745.00 - $845.00
Current price $745.00
Original price $745.00 - Original price $845.00
Original price

ETS Axleback Conversion Kit 2015-2021 WRX/STI

$645.00 - $895.00
$645.00 - $895.00
Current price $645.00
Original price $645.00 - Original price $895.00
Original price

ETS now offers the catback rear secion separately if you're looking to change up your ETS 2015-2021 WRX/STI exhaust system!  Extreme - No Muffler...

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ETS T4 Twin Scroll Turbo Kit 2015-2021 STI

$5,345.00 - $8,612.00
$5,345.00 - $8,612.00
Current price $5,345.00
Original price $5,345.00 - Original price $8,612.00
Original price

The Extreme Turbo Systems 2015-2021 Subaru STI Twin Scroll Turbo Kit is designed to give you the broadest powerband without sacrificing performance...

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ETS Axle Back Exhaust System 2015-2021 WRX/STI

$595.00 - $695.00
$595.00 - $695.00
Current price $595.00
Original price $595.00 - Original price $695.00
Original price

The ETS Axle-back exhaust for the 2015-2021 WRX and STI utilizes a full stainless steel construction. The axle back is 2.5" that mates to the stoc...

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ETS Titanium Rotated Piping Kit 2015-2021 STI

$1,495.00 - $1,575.00
$1,495.00 - $1,575.00
Current price $1,495.00
Original price $1,495.00 - Original price $1,575.00
Original price

This piping kit is the best on the market for relocating the factory Subaru intercooler. The factory intercooler location allows for excessive heat...

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ETS Titanium Air Intake Kit 2015-2021 STI

$495.00
$495.00 - $495.00
Current price $495.00
Original price $495.00 - Original price $495.00
Original price

The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most ...

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WhiteLine Rear Sway Bar - 20mm Heavy Duty 2015-2021 WRX/STI

Current price $224.16
$224.16 - $224.16
Current price $224.16
Original price $298.88
Original price $298.88 - Original price $298.88
Original price $298.88

Engineered to 'Activate More Grip', sway bars are principally designed to reduce body roll or sway. By reducing body roll, lateral loads are sprea...

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Whiteline Rear Essential Vehicle Kit 2015-2021 WRX/STI

Current price $279.66
$279.66 - $279.66
Current price $279.66
Original price $372.88
Original price $372.88 - Original price $372.88
Original price $372.88

Whiteline's "Vehicle Essential Kits" contain all the essential components to 'Activate More Grip'.

SuperPro Front and Rear Sway Bar Kit 2015-2021 STI

$979.99
$979.99 - $979.99
Current price $979.99
Original price $979.99 - Original price $979.99
Original price

The SuperPro Roll Control two position adjustable front sway bar is 26mm solid and the rear is a three position adjustable 24mm solid sway bar.Add ...

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Seibon OEM Style Carbon Fiber Grille 2015-2017 WRX/STI

Current price $540.00
$540.00 - $540.00
Current price $540.00
Original price $600.00
Original price $600.00 - Original price $600.00
Original price $600.00

DESCRIPTION The Seibon OEM Style Carbon Fiber Grille for the 2015-2017 WRX/STI was made for the everyday daily driver. Built for proper airflow and...

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Seibon Carbon Fiber Roof 2015-2021 WRX/STI

Current price $2,520.00
$2,520.00 - $2,520.00
Current price $2,520.00
Original price $2,800.00
Original price $2,800.00 - Original price $2,800.00
Original price $2,800.00

DESCRIPTION The Seibon Carbon Fiber Roof for the 2015-2021 WRX/STI was crafted with dry carbon, coming with a sleek and smooth black matte finish. ...

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Seibon CS Style Carbon Fiber Hood 2015-2021 WRX/STI

Current price $1,350.00
$1,350.00 - $1,350.00
Current price $1,350.00
Original price $1,500.00
Original price $1,500.00 - Original price $1,500.00
Original price $1,500.00

Seibon Carbon components are carefully hand-crafted using only the finest materials. Our production team offers superior craftsmanship with over 15...

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Seibon MB Style Carbon Fiber Rear Lip 2015-2021 WRX/STI

Current price $765.00
$765.00 - $765.00
Current price $765.00
Original price $850.00
Original price $850.00 - Original price $850.00
Original price $850.00

Seibon Carbon components are carefully hand-crafted using only the finest materials. Our production team offers superior craftsmanship with over 15...

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Seibon GT Style Carbon Fiber Rear Spoiler 2015-2021 WRX/STI

Current price $1,350.00
$1,350.00 - $1,350.00
Current price $1,350.00
Original price $1,500.00
Original price $1,500.00 - Original price $1,500.00
Original price $1,500.00

Seibon Carbon components are carefully hand-crafted using only the finest materials. Our production team offers superior craftsmanship with over 15...

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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!