Description:
Flat Out Suspension GR40R Coilovers - 2005-2009 Subaru Outback
The Flatout Suspension GR40R is the evolved version of the proven GR40 coilover system, purpose-built for rally, rallycross, and competitive motorsport applications. While the original GR40 set the standard for rally-strength durability and precise control with inverted dampers, the GR40R enhances performance with external reservoirs on all four shocks. These reservoirs increase oil capacity to reduce heat buildup and eliminate fade under intense conditions, ensuring consistent damping through long rally stages, rallycross runs, or track sessions. The result is a suspension that delivers dependable performance when other systems reach their limits.
Who Is the GR40R For?
Rally Drivers Designed for competitors who demand consistency over long, demanding stages.
Rallycross Racers Perfect for short, high-intensity events that push damping performance to the limit.
Motorsport Enthusiasts Great for grassroots teams seeking professional-grade endurance and control.
Builders & Tuners Ideal for custom builds requiring a strong, tunable, rally-spec suspension system.
DETAILS:
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External reservoirs on all four shocks for improved cooling and endurance
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02 ride height adjustment for tuning stance and geometry
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Inverted shock design for superior strength and impact resistance
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Bypass piston valving delivers compliance over small bumps and control on large hits
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1-way rebound adjustment for simple surface-specific tuning
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Fully rebuildable construction for long-term racing use
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Electroplated shock bodies for 710 years of corrosion protection
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Fade-free damping performance from external reservoir design
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Rally-proven coilover strength with added endurance under heat and stress
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Rebound adjustability allows fine-tuning to driving style and conditions
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Rebuildable system ensures multiple seasons of reliable competition use
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Greater consistency and control compared to the standard GR40 system
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