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

Flatout GR40 Rallycross Coilovers for 2008–2016 Subaru Impreza

The Flatout GR40 Rallycross coilovers are engineered for competition-focused Subaru Impreza drivers. Designed specifically for rallycross, these coilovers provide precision handling, durability, and repeatable performance under the extreme demands of short, high-intensity courses.

While suitable for club-level stage rally or rally sprint events, the GR40 is tested and optimized for rallycross competition. For full stage rally performance, see the GR50 or GR50-PRO lineup.

Key Features

• 2 Inverted Front Assemblies → Rally-grade strength and control.

• 2 Inverted Rear Assemblies with External Reservoirs → Increased oil capacity for fade-free endurance.

• Subframe Spacers Included → Optimized for 1” lift.

• 40mm Inverted Shock Insert → High-capacity damping performance.

• Radial Bearing Front Assembly → Smooth steering response under load.

• LPS Linear Rate Springs (200F / 225R) → Balance between comfort and performance.

• Helper Springs on Rear Assembly → Improved traction and ride balance.

• Electro-Plated Nickel Shock Cartridge → Long-lasting corrosion resistance.

• Rebuildable Inverted Shock → Serviceable for long-term competition use.

• CNC Machined High-Flow Aluminum Pistons & Stainless Steel Shims → Precision damping.

• Lightweight Synthetic Shock Oil → Responsive and consistent performance.

• Rebound Adjustable: 20 pts → Fine-tune handling to driver preference.

• Brackets for Sensor Lines on Shock Body → Easy integration with OEM sensors.

• Individual Parts Available → Service, rebuild, or upgrade as needed.

Installation Notes

• May require 5mm spacers when using OEM or high-offset wheels.

• Optimized for a 1” lift with included subframe spacers.

The Flatout GR40 Rallycross coilovers transform the 2008–2016 Subaru Impreza into a competition-ready vehicle, providing fade-free damping, rebuildable construction, and rallycross-optimized performance. Perfect for drivers who demand precision and endurance in short, high-intensity racing environments.