DISCLAIMER: This is a made to order item. The lead time for this product is 4-8 weeks.

Flatout SR Coilovers for 2015–2021 Subaru STI

The Flatout SR Coilover System is engineered for 2015–2021 Subaru STI owners seeking a daily driver lowering suspension that combines precision handling, adjustable ride height, and street comfort. This kit replaces your OEM shocks and springs with a fully assembled front and rear system designed for performance and longevity.

Height Adjustment Range

• Front: 0.0" to 3" lower than OEM

• Rear: 0.0" to 3" lower than OEM

Key Features

• 2 Front & 2 Rear Assemblies → Complete, ready-to-install kit.

• Radial Bearing Front Assemblies → Enhanced steering precision.

• Linear Rate Springs → Balanced handling and ride comfort.

• Electro-Plated Steel Cartridge → Corrosion-resistant for durability.

• Rebuildable Monotube Shocks → Long-term serviceability.

• CNC Machined High-Flow Aluminum Piston → Smooth damping performance.

• Stainless Steel Shims & Medium-Weight Synthetic Oil → Optimized shock control.

• Dual Height Adjustable → Customize stance to your preference.

• 20-Point Rebound Adjustable → Fine-tune ride quality for street driving.

• Camber/Pillowball Upper Mounts → Improved alignment and cornering response.

• Sensor Line Brackets on Lower Mounts → Maintains OEM compatibility.

• Individual Replacement Parts Available

• 3-Year Warranty Against Defect

Why Choose SR Coilovers?

• Daily Driver Friendly → Lower your STI without sacrificing comfort.

• Adjustable Ride Height → Tailor your stance from subtle to aggressive.

• Rebuildable Design → Serviceable for long-term performance.

• Enhanced Handling → Radial bearings, pillowball mounts, and linear springs improve response.

The Flatout SR Coilovers for the 2015–2021 Subaru STI provide a street-ready, adjustable suspension solution that blends performance, comfort, and long-term reliability for enthusiasts who demand more than stock.