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

Flatout GR40 Rally Competition Coilovers for 2017–2023 Subaru Impreza

The Flatout GR40 coilovers are engineered for drivers seeking precision, strength, and consistency in rally and motorsport competition. With 0–2” adjustable ride height, these coilovers let you fine-tune your Subaru Impreza for tarmac, gravel, or rallycross, delivering balance, control, and durability under extreme conditions.

Featuring inverted front shocks for rally-grade strength and external reservoir rear shocks (on select applications) for enhanced endurance, the GR40 handles punishing terrain and repeated high-speed impacts. Proprietary valving with bypass pistons ensures comfort at low speeds and unmatched control when the pace increases.

Key Features

• 0–2” Adjustable Ride Height → Tune stance and ground clearance for rally and competition.

• Inverted Front Shocks → Maximum strength with reduced flex and improved stability.

• External Reservoir Rear Shocks (application dependent) → More oil capacity for cooling and fade resistance.

• Proprietary Rally Valving with Bypass Pistons → Compliant at low speeds, precise at high speeds.

• Soft Rate LPS 2.5 ID Linear Springs → Comfort on transit, performance in competition.

• OEM-Style Top Mounts → Maintains quiet operation and reduces NVH.

• Electroplated Shock Bodies → 7–10 years corrosion resistance.

• Rebuildable Coilover Design → Serviceable for long-term racing use.

• 1-Way Rebound Adjustable → 20 points of tuning for driver preference.

• 3-Year Warranty → Confidence in competition-ready performance.

Why Rally Drivers Choose the GR40

• Built for rally, rallycross, and motorsport competition.

• Delivers precision handling, durability, and endurance on gravel, tarmac, and mixed surfaces.

• Provides the control of motorsport suspension without sacrificing comfort during transit stages.

• Serviceable and customizable for long-term competition use.

• Proven in real-world rallycross and grassroots events.

The Flatout GR40 Coilovers for the 2017–2023 Subaru Impreza combine rally-strength durability, adjustability, and race-ready performance, providing a professional-grade suspension upgrade for both competitive and spirited driving.