{"title":"gr40","description":"","products":[{"product_id":"0507sti-gr40","title":"05-07 Subaru STI [GR40]","description":"\u003cp\u003eFlatout GR40 Coilovers : 0–2” Adjustable Rally Competition Suspension The Flatout GR40 coilovers are engineered for serious drivers who demand precision, strength, and consistency in rally and motorsports competition. With an adjustable 0–2 inches of ride height increase, the GR40 lets you fine-tune your chassis setup for tarmac, gravel, or rallycross, all while maintaining balance, control, and durability under extreme conditions. Featuring inverted shocks for rally-grade strength and endurance, the GR40 is built to handle punishing terrain and repeated high-speed impacts. Combined with proprietary valving and bypass piston technology, this system provides superior comfort at low speeds and unmatched control when the pace increases. Key Features of the GR40 Coilovers 0–2” adjustable ride height → tune stance and ground clearance for rally and competition. Inverted shocks → maximum strength, reduced flex, and improved stability in harsh conditions. Proprietary rally valving with bypass pistons → compliant at low speeds, controlled 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 reduced NVH. Electroplated shock bodies → 7–10 years of corrosion resistance. Rebuildable coilover design → serviceable and race-ready longevity. 1-way rebound adjustable → 20 points of tuning for driver preference. Backed by a 3-year warranty for confidence in competition. Why Rally Drivers Choose the GR40 Built for rally, rallycross, and motorsport competition. Delivers precision handling, durability, and endurance over gravel, tarmac, and mixed surfaces. Provides the control of a motorsport suspension without sacrificing comfort during transit stages. Serviceable and customizable for long-term competition use. Proven in real-world rallycross and grassroots competition. Driver Reviews ⭐️⭐️⭐️⭐️⭐️ “I’ve had the GR40s for over a year, running rallycross and even a track day. They’ve taken a beating and still perform flawlessly. If you want competitive rally suspension, this is it.” ⭐️⭐️⭐️⭐️⭐️ “Cornering is predictable and smooth, even with added weight from a spare carrier and roof gear. The suggested spring rates kept the car level and balanced. This is a true rally suspension.” The Flatout GR40 0–2” Adjustable Coilover Suspension is the choice for drivers who want to compete with confidence. Whether you’re tackling rally stages, rallycross courses, or grassroots motorsport, the GR40 delivers rally-strength durability, precision adjustability, and race-proven performance.\u003c\/p\u003e","brand":"Flatout Suspension","offers":[{"title":"Default Title","offer_id":47453121642686,"sku":"GR4-0507STI","price":3482.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/4299\/2830\/files\/IMG_8764__39922.1735790785.1280.1280__49973.1735790925.1280.1280__47065.jpg?v=1779325827"},{"product_id":"0507sti-gr40r","title":"05-07 Subaru STI [GR40R]","description":"\u003cp\u003eFlatout Suspension GR40R – Rally-Ready Coilovers with External Reservoirs The Flatout Suspension GR40R is the upgraded evolution of our proven GR40 coilover system, purpose-built for rally, rallycross, and competitive motorsport use. While the GR40 delivers rally-strength performance with inverted dampers and precise valving, the GR40R takes it a step further with external reservoirs on all four shocks. These reservoirs significantly increase oil capacity, keeping the dampers cooler for longer and eliminating fade during the punishing heat and abuse of competition. Whether you’re charging through a gravel rally stage, tackling a tight rallycross course, or running back-to-back track sessions, the GR40R is engineered to maintain consistent damping performance when lesser systems give up. Key Features of the GR40R Coilovers External Reservoirs on All Four Shocks → More oil volume for cooler temps and fade-free endurance. 0–2” Adjustable Ride Height → Fine-tune stance and geometry for rally and motorsport conditions. Inverted Shock Design → Rally-proven strength and rigidity for harsh impacts. Bypass Piston Valving → Smooth compliance over small chatter with control on big hits. 1-Way Rebound Adjustment → Easy fine-tuning to match surface conditions. Rebuildable Construction → Serviceable and tunable for long-term racing use. Electroplated Shock Bodies → 7–10 years of corrosion resistance for dependable performance. Who Is the GR40R For? Rally Drivers → Competitors who need consistency over long stages where heat management is critical. Rallycross Racers → Drivers pushing through short but intense sessions that demand precision and fade-free damping. Motorsport Enthusiasts → Grassroots competitors and teams looking for pro-level suspension without stepping all the way to the GR50R. Builders \u0026amp; Tuners → Projects needing a balance of rally-strength durability and endurance upgrades. Customer Benefits Fade-free performance thanks to external reservoirs on every corner. Proven rally coilover strength with enhanced endurance for competition. Adjustable rebound for tuning suspension behavior to your driving style. Reliable, rebuildable design ready for season-after-season use. Better consistency and control than standard GR40 under motorsport conditions.\u003c\/p\u003e","brand":"Flatout Suspension","offers":[{"title":"Default Title","offer_id":47453185409214,"sku":"40R-0507STI","price":4482.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/4299\/2830\/files\/1741117876.1280.1280__63986.jpg?v=1779325904"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/4299\/2830\/collections\/baja__34630.webp?v=1779346947","url":"https:\/\/subuggyoff-road.com\/collections\/gr40.oembed","provider":"Subuggy Off-Road","version":"1.0","type":"link"}