2020 Subaru WRX STI Limited Wheel Offset Nearly Flush Lowering Springs RS R Down SUS Lowering Springs 2015 2021 Subaru WRX STI SubiSpeed 2015 Subaru WRX STI Launch Edition with 18x9.5 AVID1 AV27 and Achilles 2015 Subaru WRX STI Base with 18x9.5 ESR Ap6 and Falken 245x40 on. AST Lowering Springs Part #: ASTLS 18 026 Overview The AST Lowering Springs for the 2015 2021 Subaru WRX STI are engineered to elevate your vehicles handling dynamics and aesthetic appeal. Designed specifically for this model, these springs help achieve a sportier stance by lowering the vehicle's center of gravity, which enhances stability and cornering capabilities. Whether you're a spirited driver seeking improved responsiveness or an enthusiast aiming for a more aggressive look, these springs are an excellent upgrade to refine your WRX STIs performance and appearance. Crafted with precision, they support a balanced ride quality while delivering a more dynamic driving experience. Key Features Designed to optimize your vehicles handling and stance, the AST Lowering Springs feature high quality materials and a carefully engineered design. These springs are built to provide consistent performance and durability, helping to improve cornering grip and reduce body roll during aggressive driving. The progressive spring rate ensures a comfortable ride on everyday roads while offering enhanced responsiveness during spirited driving. Their precise fitment and engineered geometry support a lowered stance that complements the vehicles sporty character, making them a popular choice among Subaru enthusiasts. Construction & Design Constructed from durable, high tensile steel, these springs are designed to withstand the rigors of spirited driving and daily use. The progressive coil design ensures a smooth transition from normal to aggressive handling, maintaining ride comfort while improving handling characteristics. The black powder coated finish provides corrosion resistance, ensuring longevity and sustained performance over time. Installation & Fitment Installation involves replacing the factory springs with these performance oriented lowering springs, typically requiring basic suspension tools and alignment afterward. Proper installation ensures optimal handling and ride quality, and it is recommended to have the alignment checked to maintain tire wear and vehicle stability. Whats Included The package includes a set of four lowering springs, designed specifically for the 2015 2021 Subaru WRX STI, with hardware and mounting components pre installed for a straightforward upgrade. Ideal For Perfect for Subaru WRX STI owners looking to improve handling, achieve a more aggressive stance, and enhance overall driving dynamics without sacrificing daily comfort. Suitable for enthusiasts seeking a balanced upgrade that supports spirited driving and aesthetic refinement.