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2015-2021 WRX & STI Mods

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Whiteline Front and Rear Sway Bar Kit 2015-2021 STI

$679.41
$679.41 - $679.41
$679.41
$905.88
$905.88 - $905.88
$905.88

Engineered to 'Activate More Grip', BSK019 is a packaged solution designed to improve performance and enhance the driving experience of your vehicl...

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Whiteline Front and Rear Sway Bar Kit 2015-2021 WRX

$679.41
$679.41 - $679.41
$679.41
$905.88
$905.88 - $905.88
$905.88

Engineered to 'Activate More Grip', BSK017 is a packaged solution designed to improve performance and enhance the driving experience of your vehic...

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Whiteline 22mm Adjustable Rear Sway Bar 2008-2021 WRX / 2008-2021 STI

$263.16
$263.16 - $263.16
$263.16
$350.88
$350.88 - $350.88
$350.88

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 26mm Adjustable Front Sway Bar 2015-2021 WRX

$239.91
$239.91 - $239.91
$239.91
$319.88
$319.88 - $319.88
$319.88

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

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Whiteline Rear Sway Bar Mount Support Brace 2008-2021 WRX / 2008-2021 STI

$80.16
$80.16 - $80.16
$80.16
$106.88
$106.88 - $106.88
$106.88

Whiteline's rear sway bar mount support brace increases the stiffness of the rear sway bar mount and reduce the likelihood of bending or cracking ...

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Whiteline 24mm Adjustable Rear Sway Bar 2008-2021 WRX / 2008-2021 STI

$293.16
$293.16 - $293.16
$293.16
$390.88
$390.88 - $390.88
$390.88

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

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Whiteline 26mm Adjustable Front Sway Bar 2015-2021 STI

$239.91
$239.91 - $239.91
$239.91
$319.88
$319.88 - $319.88
$319.88

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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Perrin 26mm Front Sway Bar 2015-2021 WRX

$237.75
$237.75 - $237.75
$237.75
$317.00
$317.00 - $317.00
$317.00

Upgrade your WRX or STI with a PERRIN Adjustable Front Swaybar for improved handling and performance. This easy suspension upgrade enhances corneri...

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Perrin 22mm Rear Sway Bar 2008-2021 WRX/STI

$210.00
$210.00 - $210.00
$210.00
$280.00
$280.00 - $280.00
$280.00

Add a PERRIN Adjustable Rear Swaybar to your WRX & STI. Adding a swaybar is the easiest way to improve and fine-tune the handling of your vehi...

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FactionFab 22mm Rear Sway Bar 2008-2021 WRX/STI

$280.00
$280.00 - $280.00
$280.00
$280.00 - $280.00

DESCRIPTION The Faction Fab Rear Sway Bar is a cost-effect solution to set your car up for a balanced grip and reduced body roll when cornering. Wi...

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COBB Tuning Sway Bar Package 2015-2021 STI

$1,170.00
$1,170.00 - $1,170.00
$1,170.00
$1,170.00 - $1,170.00

WHY? This is one of the first upgrades we recommend when it comes to suspension upgrades. Easy to install in your driveway with immediate results...

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Perrin 25mm Rear Sway Bar 2008-2021 WRX/STI

$221.25
$221.25 - $221.25
$221.25
$295.00
$295.00 - $295.00
$295.00

Add a PERRIN Adjustable Rear Swaybar to your WRX & STI. Adding a swaybar is the easiest way to improve and fine-tune the handling of your vehi...

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Perrin 18mm Rear Sway Bar 2008-2021 WRX/STI

$206.25
$206.25 - $206.25
$206.25
$275.00
$275.00 - $275.00
$275.00

Add a PERRIN Adjustable Rear Swaybar to your WRX & STI. Adding a swaybar is the easiest way to improve and fine-tune the handling of your vehi...

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COBB Tuning Rear Sway Bar 22mm 3-Position Adjustable 2008-2021 WRX/STI

$325.00
$325.00 - $325.00
$325.00
$325.00 - $325.00

This COBB 22mm 3 point adjustable sway bar = more grip = better handling = outright performance - it's the best dollar for dollar handling improv...

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COBB Tuning Rear Sway Bar 24mm 3-Position Adjustable 2008-2021 WRX/STI

$330.00
$330.00 - $330.00
$330.00
$330.00 - $330.00

This COBB 24mm 3 point adjustable sway bar = more grip = better handling = outright performance - it's the best dollar for dollar handling improv...

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FactionFab 26mm Front Sway Bar 2015-2021 WRX/STI

$280.00
$280.00 - $280.00
$280.00
$280.00 - $280.00

DESCRIPTION The Faction Fab Front Sway Bar is a cost-effect solution to set your car up for a balanced grip and reduced body roll when cornering. W...

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Cusco 22mm Rear Sway Bar 2015-2021 WRX/STI

$315.00
$315.00 - $315.00
$315.00
$350.00
$350.00 - $350.00
$350.00

Maintain great comfort while suppressing body roll during cornering * 22 mm OD ( vs. 20 mm OEM ) * 130% Solid vs. OEM * HD Bushings included

SuperPro Adjustable Front End Links 2015-2021 WRX / 2015-2021 STI

$165.99
$165.99 - $165.99
$165.99
$165.99 - $165.99

Designed to maximise the benefit of Roll Control Adjustable Sway Bars and be used in place of that hard to find O.E link.Features & Benefits 6...

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SuperPro Rear Sway Bar Link Bushing Kit 2008-2026 WRX / 2008-2021 STI

$149.99
$149.99 - $149.99
$149.99
$149.99 - $149.99

SuperPro Bushings are the perfect suspension upgrade or replacement solution! Lifetime Warranty Enhances your vehicles handling and performance Un...

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COBB Sway Bar Package 2015-2021 WRX

$1,170.00
$1,170.00 - $1,170.00
$1,170.00
$1,170.00 - $1,170.00

Why? This is one of the first upgrades we recommend when it comes to suspension upgrades. Easy to install in your driveway with immediate results...

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Perrin 26mm Front Sway Bar 2015-2021 STI

$225.00
$225.00 - $225.00
$225.00
$300.00
$300.00 - $300.00
$300.00

Upgrade your WRX or STI with a PERRIN Adjustable Front Swaybar for improved handling and performance. This easy suspension upgrade enhances corneri...

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SuperPro Front and Rear Sway Bar Kit 2015-2021 WRX

$999.99
$999.99 - $999.99
$999.99
$999.99 - $999.99

The Ultimate handling package!Fitting larger sway bars, has two main effects, vehicle balance in terms of understeer and oversteer, and increased r...

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COBB Tuning Front Sway Bar 24mm 2-Position Adjustable 2015-2021 WRX

$375.00
$375.00 - $375.00
$375.00
$375.00 - $375.00

This COBB 24mm 2 point adjustable sway bar = more grip = better handling = outright performance - it's the best dollar for dollar handling improv...

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COBB Tuning Adjustable Front Sway Bar 26mm 2-Position 2015-2021 STI

$375.00
$375.00 - $375.00
$375.00
$375.00 - $375.00

This COBB 26mm 2 point adjustable sway bar = more grip = better handling = outright performance - it's the best dollar for dollar handling improv...

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COBB Tuning Rear Sway Bar Mount Reinforcement Kit 2008-2021 WRX/STI

$155.00
$155.00 - $155.00
$155.00
$155.00 - $155.00

DESCRIPTION This powder coated brace mounts between the lower tab of the rear sway bar bushing mount and the rear inner lower control arm bo...

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Perrin 16mm Rear Sway Bar 2008-2021 WRX/STI

$206.25
$206.25 - $206.25
$206.25
$275.00
$275.00 - $275.00
$275.00

Add a PERRIN Adjustable Rear Swaybar to your WRX & STI. Adding a swaybar is the easiest way to improve and fine-tune the handling of your vehi...

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Cusco 26mm Front Sway Bar 2015-2021 STI

$396.00
$396.00 - $396.00
$396.00
$440.00
$440.00 - $440.00
$440.00

Maintain great comfort while suppressing body roll during cornering * 26 mm OD ( vs. 24 mm OEM ) * 127% Solid vs. OEM * HD Bushings included

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

$85.99
$85.99 - $85.99
$85.99
$85.99 - $85.99

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
$389.99
$389.99 - $389.99

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
$349.99
$349.99 - $349.99

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
$329.99
$329.99 - $329.99

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

$224.16
$224.16 - $224.16
$224.16
$298.88
$298.88 - $298.88
$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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SuperPro Front and Rear Sway Bar Kit 2015-2021 STI

$979.99
$979.99 - $979.99
$979.99
$979.99 - $979.99

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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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!