ST XTA Coilover Suspension 2 Way Adjustable - Audi S3 8V (2013-2020)
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ST XTA Coilovers - Precision Suspension for Performance Enthusiasts
Take your vehicle's suspension to the next level with ST XTA coilovers, combining fully adjustable ride height, 16-way rebound damping and adjustable front camber in a performance focused package.
Developed for driving enthusiasts who demand greater control over their suspension setup, the ST XTA builds on the proven ST coilover platform with adjustable Unibal top mounts and a dedicated race spring system. The result is a suspension package designed to provide precise steering response, increased grip and greater freedom to tailor the vehicle's handling characteristics to suit your driving style.
Product Specifications
- Lowering Front Axle: 10-30mm
- Lowering Rear Axle: 10-30mm
- Adjustment: 2 Way Adjustable (Rebound & Height)
- Material: Galvanised Steel
- In the box: 2x Front Coilover Struts (Inc Top Mounts), 2x Rear Height Adjustable Springs and Dampers
- Car Fitment: Audi S3 8V (2013-2020)
- Part Number: 1821080M
Product Notes
- Vehicles equipped with factory electronic damping require a deactivation kit, please select 'Cars With Electronic Dampers' to include this in delivery.

The adjustable Unibal front top mounts allow the camber to be fine tuned even after the coilovers have been installed. Increasing the available camber adjustment can help optimise tyre contact during cornering, while also giving you the ability to tailor the front end response to your specific setup.
ST XTA coilovers also feature 16-stage rebound damping adjustment. The dampers are supplied with a vehicle specific basic setting, providing a proven starting point before allowing you to fine tune the rebound characteristics to suit your preferences. Adjusting the rebound damping allows you to alter body control and the balance between a more comfortable road going setup and a firmer, more sporting driving experience.
The XTA provides stepless ride height adjustment, allowing you to fine tune the vehicle's stance within the approved adjustment range.
The coarse, dirt resistant trapezoidal adjustment thread makes ride height changes straightforward, while the composite spring perches feature stainless steel inserts to improve corrosion resistance and help maintain smooth adjustment over time.
A key feature of the ST XTA is its two part linear race spring system. The main spring uses a constant spring rate, providing predictable and consistent suspension behaviour throughout its working range. Depending on the application, a separate linear preload spring keeps the main spring securely under tension when the suspension is unloaded.
This linear spring configuration makes the XTA particularly well suited to performance focused road cars and drivers who want a more predictable response when pushing the car harder.

ST XTA coilovers use galvanised strut housings alongside corrosion resistant spring adjustment components, dust protection and bump stops. The result is a robust suspension system designed to deliver consistent performance while remaining suitable for road going vehicles.
Key Features
- KW developed suspension technology
- Continuously height adjustable within the vehicle specific approved range
- 16-way rebound damping adjustment
- Adjustable Unibal front top mounts
- Sporty, vehicle specific damper setup
- Two part linear race spring system
- Composite spring perches with stainless steel inserts
- Galvanised steel coilover housings for improved corrosion resistance
- Integrated dust protection and bump stops
- Designed for performance focused road driving
- Allows the driver to tailor ride height, rebound damping and front camber
- Supplied with vehicle specific components and installation information
The ST XTA is designed for drivers who want significantly more adjustment and control than a conventional road coilover. With independently adjustable rebound damping, adjustable front camber and a linear race spring system, it provides the flexibility to fine tune the suspension around the rest of your vehicle's setup.
Whether you're optimising a fast road car for sharper turn in and increased front end grip or building a more focused performance setup, the XTA gives you the adjustment required to make the suspension work with your tyres, alignment, ride height and driving style.
For enthusiasts looking for a serious, adjustable coilover system without moving into ST's more advanced XTA plus 3 range, the ST XTA offers a highly configurable performance suspension package backed by ST's proven suspension technology.