AST 5100 Series Coilovers | 2015-2021 Subaru WRX STI (ACU-S6211S/ACT-S6211S)

The AST 5100 Series Coilovers for the 2015-2021 Subaru WRX STI are high-performance suspension components designed to enhance both track and street driving experiences. Constructed with durable materials, these coilovers feature a 1-way adjustable system with 12 distinct positions, allowing drivers to fine-tune ride height and damping settings for optimal handling and comfort. The adjustable nature provides clear feedback at each setting, enabling a customized balance between aggressive performance and daily drivability. These coilovers are engineered to improve vehicle stability, cornering, and overall ride quality, making them suitable for enthusiasts seeking versatile suspension upgrades.

Designed specifically for the 2015-2021 Subaru WRX STI models, these coilovers are a direct replacement for factory suspension components. They are ideal for track use, spirited street driving, or a combination of both, offering adjustable settings to suit various driving conditions. Installation is straightforward for those familiar with suspension upgrades, and the kit includes all necessary components for a complete upgrade. Compatible with models equipped with the ACU chassis code, these coilovers provide a significant upgrade in handling performance and ride customization for Subaru enthusiasts.