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STI Suspension

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 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 $255.00
$255.00 - $255.00
Current price $255.00
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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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 $199.75
$199.75 - $199.75
Current price $199.75
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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Perrin Carbon Fiber Rear Shock Tower Brace 2015-2021 WRX/STI

Current price $289.85
$289.85 - $289.85
Current price $289.85
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 $233.75
$233.75 - $233.75
Current price $233.75
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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Tein RX1 Coilovers 2015-2021 WRX/STI

Current price $1,472.50
$1,472.50 - $1,472.50
Current price $1,472.50
Original price $1,550.00
Original price $1,550.00 - Original price $1,550.00
Original price $1,550.00

Highlights: Full-Length Ride Height Adjustment Feature - Ride Height Adjustment with Little or No Change in Ride Quality. Twin-Tube Structure - Fo...

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AEM Front Strut Tower Bar Wrinkle Red 2015-2021 WRX/STI

$346.99
$346.99 - $346.99
Current price $346.99
Original price $346.99 - Original price $346.99
Original price

When a car equipped with a McPherson Strut suspension system, like the 2015 Subaru WRX 2.0L or WRX STi 2.5L, is being driven through a turn there i...

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Cusco Adjustable Rear Trailing Rods 2015-2021 WRX/STI

Current price $513.00
$513.00 - $513.00
Current price $513.00
Original price $570.00
Original price $570.00 - Original price $570.00
Original price $570.00

Cusco's rear trailing arm controls unwanted force under acceleration and braking. Cusco's adjustable pillowball trailing arms prevents unwanted whe...

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Tein Super Racing Coilovers 2015-2021 WRX/STI

$3,910.00
$3,910.00 - $3,910.00
Current price $3,910.00
Original price $3,910.00 - Original price $3,910.00
Original price

Developed from actual competition, TEIN was able to create a fully adjustable damper that can be easily tuned for any track and weather conditions....

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Cusco Rear End Brace 2015-2021 WRX/STI

Current price $256.50
$256.50 - $256.50
Current price $256.50
Original price $285.00
Original price $285.00 - Original price $285.00
Original price $285.00

6A1 492 RE * Connect right and left rear subframe * Can not be used with OE bumper beam

Cusco Center Floor Power Brace 2008-2021 STI

Current price $567.00
$567.00 - $567.00
Current price $567.00
Original price $630.00
Original price $630.00 - Original price $630.00
Original price $630.00

692 492 C * Connect Front member, Transmission member and main frame

Cusco Front Member Brace 2015-2021 WRX/STI

Current price $261.00
$261.00 - $261.00
Current price $261.00
Original price $290.00
Original price $290.00 - Original price $290.00
Original price $290.00

* Connect both front Subframe 6A1 492 FM

Cusco End Link Bushing Set 2015-2021 WRX/STI

Current price $220.50
$220.50 - $220.50
Current price $220.50
Original price $245.00
Original price $245.00 - Original price $245.00
Original price $245.00

692 464 SV

Cusco Front Lateral Link Bushings (Lower Arm - Body Side) 2015-2021 WRX/STI

Current price $234.00
$234.00 - $234.00
Current price $234.00
Original price $260.00
Original price $260.00 - Original price $260.00
Original price $260.00

Cusco Rear Upper Control Arm Bushings (Front Side) 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

965 464 LV

Cusco Rear Upper Control Arm Bushings (Rear Side) 2015-2021 WRX/STI

Current price $256.50
$256.50 - $256.50
Current price $256.50
Original price $285.00
Original price $285.00 - Original price $285.00
Original price $285.00

965 464 IV

Cusco Front Lower Control Arm Bushings (Rear Side) 2015-2021 WRX/STI

Current price $576.00
$576.00 - $576.00
Current price $576.00
Original price $640.00
Original price $640.00 - Original price $640.00
Original price $640.00

If your Subaru STI demands better handling and road grip, WRXDaily can help with premium STI suspension solutions. These expertly crafted components redefine control, whether you’re cruising through city streets or pushing limits at the track.

Our STI suspension upgrades will boost responsiveness and stability to give you a sharper edge behind the wheel. Whether you’re seeking ultimate control or high-performance balance, our Subaru STI suspension kits deliver unmatched reliability and precision. For instance, if you’re looking to upgrade your 2015 model, the 2015 STI coilovers offer customizable adjustments to meet your specific performance needs.

Take on curves, corners, and challenges with confidence. Browse WRXDaily’s range of STI suspension products to fine-tune your Subaru’s capabilities and conquer every road with precision.