Product Details
These Stance XR3 coilovers fit the 2008-2014 Subaru Impreza STI AWD (GRF).
The Stance XR3 coilovers for the GRF Impreza STI are 3-Way adjustable coilovers for daily driving, canyon roads and occasional track days. Every Stance XR3 kit is dyno-tested at the Stance facility in Texas and ships ready to install.
The XR3 line replaces Stance's older Super Sport coilovers with stronger materials, a wider damping adjustment range, and Stance's most durable corrosion-resistant coating to date.
The Stance XR3 coilovers for the GRF Impreza STI lower the car to an adjustable ride height and keep the factory suspension geometry. Spring rates and damping come preset. Ride height and damping adjust independently for daily driving, autocross or track use.
Features
- 3-way independent damping: low-speed compression, high-speed compression, rebound
- Race-grade inverted monotube damper for the highest load tolerance in the lineup
- Larger-bore body with maximum fluid capacity for sustained track use
- Pillowball top mounts (front and rear where applicable), zero deflection feedback
- Race-developed digressive valving on every adjustment axis
- Heat-treated chromoly piston rod, CNC-machined aluminum brackets
- Two-stage zinc + electrodeposited coating, 1,000+ hour salt-spray rated
- Fully rebuildable with custom valving spec available from Stance Suspension
3-Way Independent Damping
The XR3 separates damping into three independent adjusters: low-speed compression (LSC), high-speed compression (HSC), and rebound. LSC controls body roll and weight transfer. HSC controls how the damper handles big bumps and curbs. Rebound controls how quickly the damper extends. With 16 clicks on each of three axes, the XR3 gives serious drivers the precision to dial chassis behavior to any track surface, tire setup, or weight bias.
Race-Grade Inverted Monotube Damper
The XR3 uses the most rigid inverted monotube in the Stance lineup. Larger strut shafts, larger pistons, and reinforced internals withstand the highest loads of any Stance product, for time attack, road racing and pro-am competition.
Maximum Fluid Capacity
The XR3 monotube body uses the largest bore in the XR lineup for maximum thermal mass. More fluid means slower fade and more consistent damping force across the longest sessions.
Two-Stage Corrosion-Resistant Coating
XR3 damper bodies receive Stance's two-stage finish: zinc phosphate pre-treatment plus an electrodeposited polymer coating that has cleared 1,000+ hours of salt-spray testing.
Rebuildable & Custom Valving for Life
XR3 coilovers are 100% rebuildable. Send the kit back to Stance's Texas facility for service or for a custom valving spec to match your tire setup, weight bias, or specific track configuration.
Specifications
| Part Number | ST-GRF-XR3 |
| Part Name | Stance XR3 |
| Vehicle | 2008-2014 Subaru Impreza STI |
| Chassis Code | GRF |
| Drivetrain | AWD |
| Damping Adjustment | 3-Way · 16 Levels LSC / 16 Levels HSC / 16 Levels Rebound |
| Ride-Height Adjustable | Yes |
| Spring Rate - Front | 10 kg/mm |
| Spring Rate - Rear | 9 kg/mm |
| Upper Mount - Front | Solid Pillowball |
| Upper Mount - Rear | Solid Pillowball |
| Damper Type - Front | Inverted Monotube |
| Damper Type - Rear | Inverted |
| Suspension Design - Front | True Coilover |
| Suspension Design - Rear | True Coilover |
| Camber Plates - Front | Included |
| Camber Plates - Rear | Not Applicable |
| Notes | - |