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STI Suspension

COBB Tuning Rear Differential to Subframe Mount Bushing Inserts 2008-2021 WRX/STI

$40.00
$40.00 - $40.00
$40.00
$40.00 - $40.00

Rear Differential – Subframe Mount Insert/Supplement uses specially formulated Polyurethane which allows mounting of the rear diff securely and s...

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Stance Adjustable Red Rear Lower Control Arms V2 60mm Drop 2015-2026 WRX / 2015-2021 STI

$580.50
$580.50 - $580.50
$580.50
$645.00
$645.00 - $645.00
$645.00

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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RacerX Rear Upper Control Arms 2008-2021 WRX / 2008-2021 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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ISC Rear Adjustable Toe Arms 2008-2021 WRX/STI

$349.00
$349.00 - $349.00
$349.00
$399.00
$399.00 - $399.00
$399.00

Our new ISC toe arms havebeen designed to allow the end-user to fine-tune their suspensionsettings which can be especially beneficial for those wit...

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Whiteline Performance Lowering Spring Kit 2015-2021 STI

$254.91
$254.91 - $254.91
$254.91
$339.88
$339.88 - $339.88
$339.88

Whiteline Springs deliver improved vehicle performance whilst maintaining safety and ride quality characteristics. This kit contains 6.1kg/mm (329...

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SuperPro Rear Adjustable Toe Arms 2008-2021 WRX / 2008-2021 STI

$339.99
$339.99 - $339.99
$339.99
$339.99 - $339.99

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 Lower Control Arms 2015+ WRX / 2008-2021 STI

$359.99
$359.99 - $359.99
$359.99
$359.99 - $359.99

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 Lower Control Arms and Toe Arms Kit 2015-2021 WRX/STI

$624.99
$624.99 - $624.99
$624.99
$624.99 - $624.99

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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IAG Spec Street Series Coilovers 2015-2021 WRX / 2015-2021 STI

$1,999.99
$1,999.99 - $1,999.99
$1,999.99
$1,999.99 - $1,999.99

IAG SPEC STREET SERIES COILOVERS BY FORTUNE AUTO IAG Performance and Fortune Auto have joined forces to bring you the IAG Spec Street S...

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Perrin Black Rear Shock Tower Brace 2015-2021 WRX/STI

$189.55
$189.55 - $189.55
$189.55
$223.00
$223.00 - $223.00
$223.00

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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Silvers NEOMAX Super Low Coilovers 2015-2021 WRX/STI

$1,399.00
$1,399.00 - $1,399.00
$1,399.00
$1,399.00 - $1,399.00

Adjustable T6 6061 front camber plates on all applicable McPherson style applications. Koyo Japan Radial Bearing upper spring perch standard on al...

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COBB Tuning Front Roll Center Bump Steer Kit 2008-2021 WRX / 2008-2021 STI

$295.00
$295.00 - $295.00
$295.00
$295.00 - $295.00

This kit has been designed to raise the roll-center geometry for those with lowered vehicles. This will improve the overall front stability under...

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Whiteline Anti Lift Kit 2015-2026 WRX/ 2011-2021 STI

$128.91
$128.91 - $128.91
$128.91
$171.88
$171.88 - $171.88
$171.88

Whiteline's Anti Geometry Kit replaces the front control arm rear vertically mounted bushing and featuring low compliance synthetic elastomer with ...

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Cusco Rear Member Brace 2015-2021 WRX / 2015-2021 STI

$261.00
$261.00 - $261.00
$261.00
$290.00
$290.00 - $290.00
$290.00

6A1 492 RM * Connect right and left rear subframe * Direct OE replacement

FactionFab V2 FR-Spec Coilovers 2015-2021 WRX/STI

$1,350.00
$1,350.00 - $1,350.00
$1,350.00
$1,350.00 - $1,350.00

DESCRIPTION The Faction Fab V2 FR-Spec Coilovers are a pre-assembled coilover set that is ready to install right out of the box. These coilovers ar...

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

$1,154.99
$1,154.99 - $1,154.99
$1,154.99
$1,510.99
$1,510.99 - $1,510.99
$1,510.99

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 Front Lower Complete Alloy Control Arm Kit 2015-2021 WRX/STI

$749.99
$749.99 - $749.99
$749.99
$749.99 - $749.99

SuperPro Roll Control WRX Supaloy Front Lower Control Arms increase the handling of your WRX to better than that of the STI.The arms are built with...

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Whiteline Rear Differential Mount Inserts 2008-2026 WRX / 2008-2021 STI

$59.16
$59.16 - $59.16
$59.16
$78.88
$78.88 - $78.88
$78.88

Whiteline's differential insert bushings work within the voids of the original factory bushing to ensure pinion angles are maintained while deliver...

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IAG Coilover Cover Sleeves 2002-2026 WRX / 2004-2021 STI

$99.99
$99.99 - $99.99
$99.99
$99.99 - $99.99

PROTECT YOUR COILOVERS You’ve spent a lot of money on your coilovers, why not protect your investment? IAG’s Coilover Cover Sleeves provide a...

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Perrin Carbon Fiber Strut Tower Brace 2015-2021 WRX/STI

$412.25
$412.25 - $412.25
$412.25
$485.00
$485.00 - $485.00
$485.00

Performance During cornering, the Perrin Strut Tower Brace improves chassis rigidity, enhances steering precision under high load conditions, and r...

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Silvers NEOMAX Coilovers 2015-2021 WRX/STI

$1,399.00
$1,399.00 - $1,399.00
$1,399.00
$1,399.00 - $1,399.00

Adjustable T6 6061 front camber plates on all applicable McPherson style applications. Koyo Japan Radial Bearing upper spring perch standard on al...

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COBB Tuning Transmission Cross Member Isolator Kit 2008-2021 WRX/STI

$60.00
$60.00 - $60.00
$60.00
$60.00 - $60.00

Gearbox Cross Member Isolator Mount Kit consists of 4 Bushings. It will re-use the OEM crush tubes. Using this specially formulated Polyurethane ...

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

$238.00
$238.00 - $238.00
$238.00
$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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Perrin Black Strut Tower Brace 2015-2021 WRX / STI

$283.05
$283.05 - $283.05
$283.05
$333.00
$333.00 - $333.00
$333.00

Performance During cornering, the Perrin Strut Tower Brace improves chassis rigidity, enhances steering precision under high load conditions, and r...

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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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HKS Hipermax S Coilovers 2015-2021 WRX / 2015-2021 STI

$2,080.00
$2,080.00 - $2,080.00
$2,080.00
$2,080.00 - $2,080.00

These are the HKS Hypermax S Coilovers. These coil overs are for those who demand performance, looks and handling out of their suspension for an ov...

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ISC Rear Adjustable Control Arms V3 2008+ WRX / 2008-2021 STI

$475.00
$475.00 - $475.00
$475.00
$575.00
$575.00 - $575.00
$575.00

The all new ISC V3 Rear Control arm features the same great features of theoriginal, but is now 1 lb LIGHTER, and even more ascetically pleasingto ...

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Cusco Rear Sway Bar Brace 2015-2021 STI

$220.50
$220.50 - $220.50
$220.50
$245.00
$245.00 - $245.00
$245.00

6A1 492 RL * Rigid brackets maximize a sway bar effect

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Air Lift Performance 3H Full Kit 2015-2021 WRX / 2015-2021 STI

$4,647.46 - $5,348.54
$4,647.46 - $5,348.54
$4,647.46
$5,868.40 - $6,682.93
$5,868.40 - $6,682.93
$5,868.40

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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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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COBB Tuning Alignment Package 2015-2021 WRX / 2015-2021 STI

$1,770.00
$1,770.00 - $1,770.00
$1,770.00
$1,770.00 - $1,770.00

WHY? This package includes everything you would need to correct suspension geometry and alignment specs when lowering the ride height of your Sub...

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COBB Tuning Adjustable Toe Arm & Adjustable Lower Control Arm Package 2008-2021 WRX/STI

$575.00
$575.00 - $575.00
$575.00
$575.00 - $575.00

This package includes two important components for correctly setting the rear alignment on your lowered Subaru WRX/STI. The Rear Control Arm offe...

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Perrin Rear Polyurethane Endlinks 2008-2026 WRX / 2008-2021 STI

$216.75
$216.75 - $216.75
$216.75
$255.00
$255.00 - $255.00
$255.00

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 25mm Rear Sway Bar 2008-2021 WRX/STI

$250.75
$250.75 - $250.75
$250.75
$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

$233.75
$233.75 - $233.75
$233.75
$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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Tein Street Basis Z Coilovers 2015-2021 WRX/STI

$769.50
$769.50 - $769.50
$769.50
$810.00
$810.00 - $810.00
$810.00

The Tein Street Basis Z incorporates many of the same technologies that have made the Street Basis so popular by enthusiasts, but now made even mor...

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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.