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2015-2021 WRX & STI Mods

Cusco Rear Lower Control Arm Bushing Kit 2015-2021 WRX/STI

Current price $243.00
$243.00 - $243.00
Current price $243.00
Original price $270.00
Original price $270.00 - Original price $270.00
Original price $270.00

692 464 HV

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

Current price $315.00
$315.00 - $315.00
Current price $315.00
Original price $350.00
Original price $350.00 - Original price $350.00
Original price $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

Cusco Adjustable Toe Arms 2015-2021 WRX/STI

Current price $630.00
$630.00 - $630.00
Current price $630.00
Original price $700.00
Original price $700.00 - Original price $700.00
Original price $700.00

Rear Lateral Links Enables suspension toe adjustment * Front side * Pillowball type * ±12mm of adjustment (via turnbuckle)

Air Lift Performance Rear Kit 2008-2026 WRX / 2015-2021 STI

Current price $1,070.99
$1,070.99 - $1,070.99
Current price $1,070.99
Original price $1,400.99
Original price $1,400.99 - Original price $1,400.99
Original price $1,400.99

Get the stance you want and the performance you need with Air Lift’s Performance air suspension kits! Every kit we offer is fully engineered to pro...

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

$165.99
$165.99 - $165.99
Current price $165.99
Original price $165.99 - Original price $165.99
Original price

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
Current price $149.99
Original price $149.99 - Original price $149.99
Original price

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

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Whiteline Grip Series 1 Suspension Kit 2015-2021 STI

Current price $1,030.80
$1,030.80 - $1,030.80
Current price $1,030.80
Original price $1,374.40
Original price $1,374.40 - Original price $1,374.40
Original price $1,374.40

The ultimate entry level suspension upgrade! Performance, handling and comfort make up the Grip Series Stage 1 kit featuring Whiteline signature f...

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SuperPro Front Roll Centre Adjusting Ball Joint Kit 2002-2021 WRX / 2004-2021 STI

$309.99
$309.99 - $309.99
Current price $309.99
Original price $309.99 - Original price $309.99
Original price

SuperPro Roll Centre Adjusting Ball Joints will optimise your cars performance! Lifetime Warranty Reduces roll/bump steer - essential for lowered ...

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Verus Engineering 7000 Series Rear Lower Control Arm Kit 2008-2026 WRX / 2008-2021 STI

$724.95
$724.95 - $724.95
Current price $724.95
Original price $724.95 - Original price $724.95
Original price

DESCRIPTION Adjust rear camber easily with the lightest LCA units on the market. Weighing in at 2lbs and 10oz, these are nearly a pound lighter per...

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OVERTAKE Rear Differential Lower Bushing Inserts 2008-2026 WRX / 2008-2021 STI

$27.00
$27.00 - $27.00
Current price $27.00
Original price $27.00 - Original price $27.00
Original price

What if every shift, every corner, and every launch felt tighter and more connected? Your rear diff is mounted with soft factory rubber that flexes...

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COBB Sway Bar Package 2015-2021 WRX

$1,170.00
$1,170.00 - $1,170.00
Current price $1,170.00
Original price $1,170.00 - Original price $1,170.00
Original price

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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COBB Tuning Lift Kit 2015-2021 WRX / 2015-2021 STI

$525.00
$525.00 - $525.00
Current price $525.00
Original price $525.00 - Original price $525.00
Original price

Emissions This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. Description The COBB Lift Kit for...

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RacerX Rear Toe Links 2008-2021 WRX / 2008-2021 STI

$309.00
$309.00 - $309.00
Current price $309.00
Original price $309.00 - Original price $309.00
Original price

The Racer X Fabrication rear toe links for the 2008-2021 Subaru WRX / STI offer the ability to give your vehicle proper toe adjustment after chang...

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Air Lift Performance Coilover Kit 2015-2021 WRX / 2015-2021 STI

Current price $1,149.99
$1,149.99 - $1,149.99
Current price $1,149.99
Original price $1,503.99
Original price $1,503.99 - Original price $1,503.99
Original price $1,503.99

Air Lift Performance is taking a new stance (pun intended) on Performance Suspension. Introducing our new Coilover Suspension Kits, built for enthu...

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Perrin 26mm Front Sway Bar 2015-2021 STI

Current price $225.00
$225.00 - $225.00
Current price $225.00
Original price $300.00
Original price $300.00 - Original price $300.00
Original price $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
Current price $999.99
Original price $999.99 - Original price $999.99
Original price

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 Daily Driver Suspension Package 2015-2021 STI

$1,250.00
$1,250.00 - $1,250.00
Current price $1,250.00
Original price $1,250.00 - Original price $1,250.00
Original price

DESCRIPTION Completely transform the handling and ride quality of your Subaru WRX/STI with the COBB Daily Driver Package! This include our custom...

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COBB Tuning Competition Ready Suspension Package 2015-2021 STI

$5,325.00
$5,325.00 - $5,325.00
Current price $5,325.00
Original price $5,325.00 - Original price $5,325.00
Original price

DESCRIPTION This suspension package from Cobb is the ultimate grouping to get your suspension and ride adjustments dialed in to perfection. From br...

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Perrin Hyper Pink Rear Shock Tower Brace 2015-2021 WRX/STI

Current price $176.25
$176.25 - $176.25
Current price $176.25
Original price $235.00
Original price $235.00 - Original price $235.00
Original price $235.00

Enhance chassis rigidity and improve steering precision with the ultra-strong PERRIN Rear Shock Tower Brace.  PERFORMANCE During cornering, the Pe...

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

$375.00
$375.00 - $375.00
Current price $375.00
Original price $375.00 - Original price $375.00
Original price

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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Perrin Carbon Fiber Rear Shock Tower Brace 2015-2021 WRX/STI

Current price $255.75
$255.75 - $255.75
Current price $255.75
Original price $341.00
Original price $341.00 - Original price $341.00
Original price $341.00

Enhance chassis rigidity and improve steering precision with the ultra-strong PERRIN Rear Shock Tower Brace.  PERFORMANCE During cornering, the Pe...

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

$375.00
$375.00 - $375.00
Current price $375.00
Original price $375.00 - Original price $375.00
Original price

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 Differential to Subframe Mount Bushing Kit 2008-2021 WRX/STI

$105.00
$105.00 - $105.00
Current price $105.00
Original price $105.00 - Original price $105.00
Original price

Rear Differential-to-Subframe bushing kit (rear of differential) uses specially formulated Polyurethane which allows mounting of the rear diff se...

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

$155.00
$155.00 - $155.00
Current price $155.00
Original price $155.00 - Original price $155.00
Original price

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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COBB Tuning Front Control Arm Inner Bushing Kit 2015-2021 WRX/STI

$270.00
$270.00 - $270.00
Current price $270.00
Original price $270.00 - Original price $270.00
Original price

The COBB Front Control Arm - Inner Bushing replaces the front control arm rear vertically mounted bushing and features low compliance synthetic e...

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COBB Tuning Front Control Arm Inner Bushing Kit 2015-2021 WRX/STI

$270.00
$270.00 - $270.00
Current price $270.00
Original price $270.00 - Original price $270.00
Original price

The COBB Front Control Arm Inner Bushing Kit - Kit offers a unique metal and polyurethane hybrid design for demanding applications. This provides...

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COBB Alloy Front Lower Complete Control Arm Kit w/ Standard Caster 2015-2021 WRX/STI

$1,025.00
$1,025.00 - $1,025.00
Current price $1,025.00
Original price $1,025.00 - Original price $1,025.00
Original price

The COBB Subaru Alloy Front Lower Control Arm, STD Alignment (or Offset Caster) will increase the handling of your WRX to better than that of the...

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COBB Alloy Front Lower Complete Control Arm Kit w/ Offset Caster 2015-2021 WRX/STI

$1,025.00
$1,025.00 - $1,025.00
Current price $1,025.00
Original price $1,025.00 - Original price $1,025.00
Original price

The COBB Subaru Alloy Front Lower Control Arm, Offset Caster (or STD Alignment) will increase the handling of your WRX to better than that of the...

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

Current price $206.25
$206.25 - $206.25
Current price $206.25
Original price $275.00
Original price $275.00 - Original price $275.00
Original price $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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BC Racing ER Series Coilover Kit 2015-2021 WRX/STI

$1,935.00 - $2,505.00
$1,935.00 - $2,505.00
Current price $1,935.00
Original price $1,935.00 - Original price $2,505.00
Original price

These images may not represent your application The BC Racing ER Series Coilover System is the next evolution in your suspension tuning and vehic...

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BC Racing HM Series Coilover Kit 2015-2021 WRX/STI

$2,545.00 - $2,695.00
$2,545.00 - $2,695.00
Current price $2,545.00
Original price $2,545.00 - Original price $2,695.00
Original price

These images may not represent your application The BC Racing HM Series Coilover System gets its great qualities from a combination of two previo...

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BC Racing RM Series Coilover Kit 2015-2021 WRX/STI

$1,495.00 - $2,065.00
$1,495.00 - $2,065.00
Current price $1,495.00
Original price $1,495.00 - Original price $2,065.00
Original price

These images may not represent your application The BC Racing ZR Series Coilovers offer the most adjustability of any BC Racing Coilover System t...

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BC Racing ZR Series Coilover Kit 2015-2021 WRX/STI

$2,845.00 - $2,995.00
$2,845.00 - $2,995.00
Current price $2,845.00
Original price $2,845.00 - Original price $2,995.00
Original price

These images may not represent your application The BC Racing ZR Series Coilovers offer the most adjustability of any BC Racing Coilover System t...

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Stance Adjustable Blue Rear Lower Control Arms V1 25mm Drop 2015-2026 WRX / 2015-2021 STI

Current price $517.50
$517.50 - $517.50
Current price $517.50
Original price $575.00
Original price $575.00 - Original price $575.00
Original price $575.00

Rear Lower control Arms are an ideal suspension modification after lowering any WRX/STI or FR-S/BRZ/86. The LCA will allow for proper rear camber a...

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SPL Rear Adjustable Lower Control Arms 2008-2026 WRX / 2008-2021 STI

Current price $692.10
$692.10 - $692.10
Current price $692.10
Original price $769.00
Original price $769.00 - Original price $769.00
Original price $769.00

SPL adjustable Rear Lower Camber Arms (RLL) for the GR86/BRZ/WRX allow for adjustable camber, track, and installed motion ratios while significantl...

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Tein Mono Sport Coilovers 2015-2021 WRX/STI

Current price $1,890.50
$1,890.50 - $1,890.50
Current price $1,890.50
Original price $1,990.00
Original price $1,990.00 - Original price $1,990.00
Original price $1,990.00

New for 2015, this particular model of the Tein Mono Sport Coilovers is designed to greatly reduce body roll compared to the factory setup. The res...

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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!