{"title":"RM ENGINEERING RACE","description":"\u003cp\u003e\u003cem\u003e100% ORIGINAL MOTORSPORT-GRADE RACING PARTS, DESIGNED IN-HOUSE BY THE RIDGELINE MOTORSPORT TEAM.\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","products":[{"product_id":"rm-engineering-gt4-kit-for-f80-f82-chassis","title":"RM Engineering GT4+ Aero Kit for BMW F8X M3 \/ M4","description":"\u003ch2\u003e\u003cstrong\u003eEngineered for Maximum Performance. Inspired by BMW Motorsport. Proven on Track.\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eRidgeline Motorsport GT4+ Aero Kit\u003c\/strong\u003e is our most comprehensive aerodynamic package for the BMW F8X platform.\u003c\/p\u003e\n\u003cp\u003eDeveloped from the visual and aerodynamic foundation of the BMW F82 M4 GT4 race car, the GT4+ system evolves beyond the limitations of the original GT4 rulebook. Each component was redesigned using real-world track experience to increase aerodynamic performance while maintaining a balanced relationship between front and rear downforce.\u003c\/p\u003e\n\u003cp\u003eDesigned for serious track-day drivers, time attack competitors, and high-performance street builds, the complete GT4+ package combines a reinforced front lip, tunneled front splitter, GT4 canards, and a chassis-mounted rear wing into one integrated aerodynamic system.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eDesigned for compatible BMW F8X M models, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBMW F80 M3 Sedan\u003c\/li\u003e\n\u003cli\u003eBMW F82 M4 Coupe\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease confirm your vehicle model, bumper configuration, trunk configuration, and competition-class requirements before ordering.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eTrack-Proven Development\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe GT4+ Aero Kit was developed and tested on road-going BMW F8X vehicles equipped primarily with bolt-on modifications.\u003c\/p\u003e\n\u003cp\u003eTesting results were achieved without extensive vehicle weight reduction and while using \u003cstrong\u003e275\/35R18 200TW street-class tires\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eRecorded F-Chassis Results\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSuper Lap Battle 2025 — Circuit of the Americas\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFastest BMW in class, excluding two Toyota Supras\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWeatherTech Raceway Laguna Seca\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBest recorded lap: \u003cstrong\u003e1:34.341\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGlobal Time Attack Finals — Buttonwillow CW13\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFourth place\u003c\/li\u003e\n\u003cli\u003eBest recorded lap: \u003cstrong\u003e1:50.940\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFastest BMW in class, excluding three Toyota Supras\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReal-world testing, competition use, and continuous development remain central to every Ridgeline Motorsport aerodynamic product.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003eGT4+ Front Lip\u003c\/h3\u003e\n\u003cp\u003eThe GT4+ Front Lip features a reinforced design developed to create a sealed front aerodynamic plane when paired with the GT4+ Tunneled Splitter.\u003c\/p\u003e\n\u003cp\u003eThe front lip may also be installed without the lower splitter. However, using the lip without the splitter may reduce its structural support and service life, particularly during track use or contact with road surfaces.\u003c\/p\u003e\n\u003ch4\u003eFront Lip Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eReinforced GT4-derived design\u003c\/li\u003e\n\u003cli\u003eDesigned to integrate with the GT4+ Tunneled Splitter\u003c\/li\u003e\n\u003cli\u003eCreates a cleaner transition between the bumper and splitter\u003c\/li\u003e\n\u003cli\u003eMay be installed separately\u003c\/li\u003e\n\u003cli\u003eHardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGT4+ Tunneled Front Splitter\u003c\/h3\u003e\n\u003cp\u003eThe GT4+ Tunneled Splitter combines the front lip and lower splitter into a two-piece aerodynamic system.\u003c\/p\u003e\n\u003cp\u003eAn integrated airflow channel helps maintain airflow toward the factory lower oil cooler, while the molded tunnel increases aerodynamic surface control, structural rigidity, and front-end performance.\u003c\/p\u003e\n\u003ch4\u003eSplitter Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-piece front lip and splitter system\u003c\/li\u003e\n\u003cli\u003eIntegrated airflow channel for the lower oil cooler\u003c\/li\u003e\n\u003cli\u003eOne-piece molded aerodynamic tunnel\u003c\/li\u003e\n\u003cli\u003eDesigned to increase front-end downforce\u003c\/li\u003e\n\u003cli\u003eReinforced construction for improved rigidity\u003c\/li\u003e\n\u003cli\u003eInstallation hardware included\u003c\/li\u003e\n\u003cli\u003eMinor modification of OEM vehicle components required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAluminum Skid Block Kit\u003c\/h3\u003e\n\u003cp\u003eAn aluminum skid block kit is available \u003c\/p\u003e\n\u003cp\u003eThe skid blocks help protect the lower splitter surface from contact with pavement, curbing, driveways, and track surfaces.\u003c\/p\u003e\n\u003ch3\u003eOEM GT4 1:1 Canards\u003c\/h3\u003e\n\u003cp\u003eThe included GT4 canards replicate the geometry and positioning of the OEM BMW M4 GT4 components.\u003c\/p\u003e\n\u003cp\u003eThey are designed to work with the GT4+ front aero system to improve front-end aerodynamic response, particularly during medium- and high-speed driving.\u003c\/p\u003e\n\u003ch4\u003eCanard Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOEM GT4 geometry\u003c\/li\u003e\n\u003cli\u003eDesigned to improve front-end aerodynamic balance\u003c\/li\u003e\n\u003cli\u003eSupports increased high-speed stability\u003c\/li\u003e\n\u003cli\u003eIntegrates with the GT4+ front lip and splitter system\u003c\/li\u003e\n\u003cli\u003eInstallation hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGT4+ Chassis-Mounted Rear Wing\u003c\/h3\u003e\n\u003cp\u003eThe GT4+ Rear Wing uses a redesigned chassis-mounted support system developed to address the potential water-leak concerns associated with the original GT4 trunk-mounting configuration.\u003c\/p\u003e\n\u003cp\u003eThe mounting system maintains structural support while allowing aerodynamic loads to be transferred through reinforced mounting locations.\u003c\/p\u003e\n\u003cp\u003eThe GT4+ wing foil is larger than the OEM GT4 wing because it is not restricted by the original GT4 vehicle regulations. The increased surface area is designed to generate additional rear downforce while maintaining an efficient aerodynamic profile.\u003c\/p\u003e\n\u003ch4\u003eRear Wing Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eChassis-mounted rear wing system\u003c\/li\u003e\n\u003cli\u003eRedesigned mounting solution\u003c\/li\u003e\n\u003cli\u003eDeveloped to reduce the risk of trunk water intrusion\u003c\/li\u003e\n\u003cli\u003eLarger wing foil (1600mm) than the OEM M4 GT4 wing\u003c\/li\u003e\n\u003cli\u003eIncreased aerodynamic surface area\u003c\/li\u003e\n\u003cli\u003eDesigned to generate additional rear downforce\u003c\/li\u003e\n\u003cli\u003eMaintains structural rigidity under aerodynamic load\u003c\/li\u003e\n\u003cli\u003eInstallation hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eWhy Choose the GT4+ Aero Kit?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDeveloped specifically for the BMW F8X M3 and M4\u003c\/li\u003e\n\u003cli\u003eInspired by BMW Motorsport GT4 aerodynamics\u003c\/li\u003e\n\u003cli\u003eIncreased front and rear aerodynamic performance\u003c\/li\u003e\n\u003cli\u003eDesigned as a balanced complete aero package\u003c\/li\u003e\n\u003cli\u003eTested through real-world track and time attack competition\u003c\/li\u003e\n\u003cli\u003eModular construction allows components to be purchased separately\u003c\/li\u003e\n\u003cli\u003eSuitable for dedicated track cars and performance-focused street builds\u003c\/li\u003e\n\u003cli\u003eInstallation hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eCompetition Class Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe GT4+ Aero Kit was developed with commonly used \u003cstrong\u003eGlobal Time Attack Street Class\u003c\/strong\u003e and \u003cstrong\u003eGRIDLIFE Street Mod\u003c\/strong\u003e aerodynamic limitations in mind.\u003c\/p\u003e\n\u003cp\u003eCompetition rules may change between seasons, and eligibility depends on the vehicle’s complete configuration rather than the aero kit alone. Drivers are responsible for reviewing the latest rules and confirming eligibility with the event organizer before competition.\u003c\/p\u003e\n\u003cp\u003eRidgeline Motorsport does not guarantee class eligibility for every vehicle, event, or future ruleset.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eProfessional installation is strongly recommended.\u003c\/p\u003e\n\u003cp\u003eInstallation may require:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRemoval of exterior body panels\u003c\/li\u003e\n\u003cli\u003eDrilling of mounting holes\u003c\/li\u003e\n\u003cli\u003eCutting or modification of certain OEM components\u003c\/li\u003e\n\u003cli\u003eAlignment of the front splitter and canards\u003c\/li\u003e\n\u003cli\u003eReinforcement of rear-wing mounting locations\u003c\/li\u003e\n\u003cli\u003eAdjustment of the front and rear aero balance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTest-fit and align every component before drilling, cutting, or permanently securing the kit.\u003c\/p\u003e\n\u003cp\u003eThe complete kit is recommended for the best front-to-rear aerodynamic balance.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Guides\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003eGT4+ Splitter Installation Guide\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/ridgelinemotorsport.com\/blogs\/installation-guide\/gt4-splitter-install-guide\"\u003eView the GT4+ Splitter Installation Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eGT4+ Kit Installation Videos\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=eeoQ4eUPWqE\"\u003eWatch GT4+ Kit Installation Video — Part 1\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=9hb8qY5Lxf0\"\u003eWatch GT4+ Kit Installation Video — Part 2\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAerodynamic Product Disclaimer\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eAerodynamic performance will vary based on vehicle speed, ride height, suspension setup, alignment, wing angle, splitter extension, tire selection, track conditions, and the vehicle’s complete aerodynamic configuration.\u003c\/p\u003e\n\u003cp\u003eAerodynamic components can place additional loads on the bumper, chassis, trunk, mounting hardware, and surrounding vehicle structure. The installer is responsible for confirming that all mounting points are properly installed, reinforced, and suitable for the intended use.\u003c\/p\u003e\n\u003cp\u003eImpacts involving chassis-mounted aerodynamic components may transfer force into the vehicle and cause additional damage.\u003c\/p\u003e\n\u003cp\u003eRidgeline Motorsport is not responsible for vehicle damage resulting from improper installation, impacts, road hazards, accidents, misuse, competition use, or failure to inspect and maintain the components and mounting hardware.\u003c\/p\u003e","brand":"RM ENGINEERING RACE","offers":[{"title":"Default Title","offer_id":50935582130464,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/9339\/1392\/files\/5a797583e918bdfca039077c4a530367.jpg?v=1779776901"},{"product_id":"rm-engineering-gt4-kit-for-toyota-a90-supra","title":"RM Engineering GT4+ Aero Kit For TOYOTA A90 SUPRA","description":"\u003ch2\u003e\u003cstrong\u003eEngineered for Maximum Performance. Inspired by Gazoo Racing GT4 Racecars. Proven on Track.\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eRidgeline Motorsport GT4+ Time Attack Aero Kit\u003c\/strong\u003e is our most comprehensive aerodynamic package for the Toyota GR Supra A90 platform.\u003c\/p\u003e\n\u003cp\u003eDeveloped from the aerodynamic foundation of the Toyota GR Supra GT4 race car, the GT4+ system evolves beyond the limitations of the original GT4 rulebook. Each component has been redesigned using real-world track testing and competition experience to increase aerodynamic performance while maintaining a balanced relationship between front and rear downforce.\u003c\/p\u003e\n\u003cp\u003eThe complete package combines the GT4+ front lip, tunneled front splitter, canards, rear wing, hood vent, and roof fin into one integrated aero system for serious track-day drivers and time attack competitors.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eDesigned for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eToyota GR Supra A90\/A91 Supra\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease confirm your vehicle year, bumper configuration, hood configuration, and competition-class requirements before ordering.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eTrack-Proven Performance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe GT4+ Aero Kit was developed and tested on road-going A90 Supras equipped primarily with bolt-on modifications.\u003c\/p\u003e\n\u003cp\u003eThe recorded results below were achieved on vehicles with no significant weight reduction and using \u003cstrong\u003e275\/35R18 200TW street-class tires\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eA90 Supra Testing Results\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGRIDLIFE — WeatherTech Raceway Laguna Seca\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBest recorded lap: \u003cstrong\u003e1:33.962\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStock turbo\u003c\/li\u003e\n\u003cli\u003eStock transmission\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGlobal Time Attack Finals — Buttonwillow CW13\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSecond place\u003c\/li\u003e\n\u003cli\u003eBest recorded lap: \u003cstrong\u003e1:49.132\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReal results. Real podiums. Real validation.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003eGT4+ Front System\u003c\/h3\u003e\n\u003cp\u003eThe GT4+ Front Lip features a reinforced design developed to create a sealed front aerodynamic plane when paired with the GT4+ Tunneled Splitter.\u003c\/p\u003e\n\u003cp\u003eThe front lip may also be installed without the lower splitter. However, using the lip by itself may reduce structural support and service life, particularly during track use or contact with road surfaces.\u003c\/p\u003e\n\u003ch4\u003eFront Lip Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eReinforced GT4-derived design\u003c\/li\u003e\n\u003cli\u003eDesigned to integrate with the GT4+ Tunneled Splitter\u003c\/li\u003e\n\u003cli\u003eCreates a cleaner transition between the bumper and splitter\u003c\/li\u003e\n\u003cli\u003eMay be installed separately\u003c\/li\u003e\n\u003cli\u003eInstallation hardware included\u003c\/li\u003e\n\u003cli\u003eGT4+ Tunneled Front Splitter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe GT4+ Tunneled Front Splitter combines the front lip and lower splitter into a two-piece aerodynamic system.\u003c\/p\u003e\n\u003cp\u003eIts one-piece molded tunnel is designed to improve airflow management, increase rigidity, and generate additional front-end downforce during medium- and high-speed driving.\u003c\/p\u003e\n\u003ch4\u003eSplitter Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-piece front lip and splitter system\u003c\/li\u003e\n\u003cli\u003eOne-piece molded aerodynamic tunnel\u003c\/li\u003e\n\u003cli\u003eDesigned to increase front-end downforce\u003c\/li\u003e\n\u003cli\u003eReinforced construction for improved rigidity\u003c\/li\u003e\n\u003cli\u003eInstallation hardware included\u003c\/li\u003e\n\u003cli\u003eMinor modification of OEM vehicle components required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAluminum Skid Block Kit\u003c\/h3\u003e\n\u003cp\u003eAn optional aluminum skid block kit is also available\u003c\/p\u003e\n\u003cp\u003eThe skid blocks help protect the lower surface of the splitter from contact with pavement, curbing, driveways, and track surfaces.\u003c\/p\u003e\n\u003ch3\u003eGT4+ Canards\u003c\/h3\u003e\n\u003cp\u003eThe GT4+ Canards are designed to work with the front lip and tunneled splitter to improve front-end aerodynamic response.\u003c\/p\u003e\n\u003ch4\u003eCanard Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDeveloped specifically for the A90 GT4+ aero system\u003c\/li\u003e\n\u003cli\u003eDesigned to improve front-end grip\u003c\/li\u003e\n\u003cli\u003eSupports increased medium- and high-speed stability\u003c\/li\u003e\n\u003cli\u003eComplements the front lip and splitter system\u003c\/li\u003e\n\u003cli\u003eInstallation hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGT4+ Rear Wing\u003c\/h3\u003e\n\u003cp\u003eThe GT4+ Rear Wing features a redesigned mounting system developed to reduce the water-intrusion concerns associated with the original GT4 wing installation.\u003c\/p\u003e\n\u003cp\u003eBecause the GT4+ wing is not restricted by the original GT4 racing regulations, it uses a larger wing foil than the OEM GT4 component. The increased aerodynamic surface area is designed to generate additional rear downforce while maintaining an efficient wing profile.\u003c\/p\u003e\n\u003ch4\u003eRear Wing Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eGT4-derived rear wing design\u003c\/li\u003e\n\u003cli\u003eRedesigned mounting solution\u003c\/li\u003e\n\u003cli\u003eDeveloped to reduce the risk of water intrusion\u003c\/li\u003e\n\u003cli\u003eLarger wing foil (1600mm) than the OEM GR Supra GT4 wing\u003c\/li\u003e\n\u003cli\u003eIncreased aerodynamic surface area\u003c\/li\u003e\n\u003cli\u003eDesigned to generate additional rear downforce\u003c\/li\u003e\n\u003cli\u003eInstallation hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGT4+ Hood Vent\u003c\/h3\u003e\n\u003cp\u003eThe GT4+ Hood Vent features a larger venting area than the OEM GT4 configuration.\u003c\/p\u003e\n\u003cp\u003eIt is designed to help evacuate hot air and high-pressure airflow from the engine bay, supporting improved cooling and reduced front-end lift at speed.\u003c\/p\u003e\n\u003ch4\u003eHood Vent Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLarger vent area than the OEM GT4 configuration\u003c\/li\u003e\n\u003cli\u003eDesigned to improve engine-bay heat evacuation\u003c\/li\u003e\n\u003cli\u003eSupports improved cooling\u003c\/li\u003e\n\u003cli\u003eDesigned to reduce high-pressure airflow beneath the hood\u003c\/li\u003e\n\u003cli\u003eComplements the complete GT4+ front aero system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGT4+ RS Roof Fin\u003c\/h3\u003e\n\u003cp\u003eThe GT4+ Roof Fin is inspired by Porsche 992 GT3RS and it helps manage airflow as it travels from the roof toward the rear wing.\u003c\/p\u003e\n\u003cp\u003eIt is designed to improve airflow stability around the rear of the vehicle and support more consistent rear-wing performance.\u003c\/p\u003e\n\u003ch4\u003eRoof Fin Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned to manage airflow toward the rear wing\u003c\/li\u003e\n\u003cli\u003eSupports improved rear-wing efficiency\u003c\/li\u003e\n\u003cli\u003eAdds a distinctive motorsport appearance\u003c\/li\u003e\n\u003cli\u003eDeveloped as part of the complete GT4+ aero package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eWhy Choose the GT4+ Aero Kit?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDeveloped specifically for the Toyota GR Supra A90\u003c\/li\u003e\n\u003cli\u003eInspired by Toyota Motorsport GT4 aerodynamics\u003c\/li\u003e\n\u003cli\u003eIncreased front and rear aerodynamic performance\u003c\/li\u003e\n\u003cli\u003eDesigned as a balanced complete aero package\u003c\/li\u003e\n\u003cli\u003eProven through real-world track testing and time attack competition\u003c\/li\u003e\n\u003cli\u003eSuitable for serious track cars and performance-focused street builds\u003c\/li\u003e\n\u003cli\u003eModular system allows components to be purchased individually\u003c\/li\u003e\n\u003cli\u003eInstallation hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eCompetition Class Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe GT4+ Aero Kit was developed with commonly used \u003cstrong\u003eGlobal Time Attack Street Class\u003c\/strong\u003e and \u003cstrong\u003eGRIDLIFE Street Mod\u003c\/strong\u003e aerodynamic limitations in mind.\u003c\/p\u003e\n\u003cp\u003eCompetition regulations may change between seasons, and eligibility depends on the vehicle’s complete configuration rather than the aero kit alone. Drivers are responsible for reviewing the latest regulations and confirming eligibility with the event organizer before competition.\u003c\/p\u003e\n\u003cp\u003eRidgeline Motorsport does not guarantee class eligibility for every vehicle, event, or future ruleset.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eProfessional installation is strongly recommended.\u003c\/p\u003e\n\u003cp\u003eInstallation may require:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRemoval of exterior body panels\u003c\/li\u003e\n\u003cli\u003eDrilling of mounting holes\u003c\/li\u003e\n\u003cli\u003eCutting or modification of certain OEM components\u003c\/li\u003e\n\u003cli\u003eAlignment of the front splitter and canards\u003c\/li\u003e\n\u003cli\u003eHood cutting and modification\u003c\/li\u003e\n\u003cli\u003eReinforcement of rear-wing mounting locations\u003c\/li\u003e\n\u003cli\u003eAdjustment of the front and rear aerodynamic balance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTest-fit and align every component before drilling, cutting, or permanently securing the kit.\u003c\/p\u003e\n\u003cp\u003eThe complete GT4+ kit is recommended for the best front-to-rear aerodynamic balance.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFull kit recommended for the best aerodynamic balance\u003c\/li\u003e\n\u003cli\u003eInstallation hardware included\u003c\/li\u003e\n\u003cli\u003eAluminum splitter skid blocks are optional\u003c\/li\u003e\n\u003cli\u003eMinor OEM vehicle modifications may be required\u003c\/li\u003e\n\u003cli\u003eProfessional installation is strongly recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eAerodynamic Product Disclaimer\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eAerodynamic performance will vary based on vehicle speed, ride height, suspension setup, alignment, wing angle, splitter extension, tire selection, track conditions, and the vehicle’s complete aerodynamic configuration.\u003c\/p\u003e\n\u003cp\u003eRecorded lap times are provided as examples of real-world testing and do not guarantee equivalent results. Vehicle setup, driver experience, weather, track conditions, and supporting modifications will affect performance.\u003c\/p\u003e\n\u003cp\u003eAerodynamic components may place additional loads on the bumper, chassis, hood, hatch, mounting hardware, and surrounding vehicle structure. The installer is responsible for confirming that all mounting points are properly installed, reinforced, and suitable for the intended use.\u003c\/p\u003e\n\u003cp\u003eRidgeline Motorsport is not responsible for vehicle damage resulting from improper installation, impacts, road hazards, accidents, misuse, competition use, or failure to inspect and maintain the components and mounting hardware.\u003c\/p\u003e","brand":"RM ENGINEERING RACE","offers":[{"title":"Default Title","offer_id":51635148423456,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/9339\/1392\/files\/DSC03010.jpg?v=1781799803"},{"product_id":"rm-engineering-gt4-wing-for-toyota-a90-a91-supra","title":"RM Engineering GT4+ Wing For TOYOTA A90\/A91 Supra","description":"\u003ch2\u003e\u003cstrong\u003eEngineered for Maximum Performance. Inspired by Gazoo Racing GT4 Racecars. Proven on Track.\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRidgeline Motorsport GT4+ Time Attack Aero Kit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis our most comprehensive aerodynamic package for the Toyota GR Supra A90 platform.\u003c\/p\u003e\n\u003cp\u003eDeveloped from the aerodynamic foundation of the Toyota GR Supra GT4 race car, the GT4+ system evolves beyond the limitations of the original GT4 rulebook. Each component has been redesigned using real-world track testing and competition experience to increase aerodynamic performance while maintaining a balanced relationship between front and rear downforce.\u003c\/p\u003e\n\u003cp\u003eThe complete package combines the GT4+ front lip, tunneled front splitter, canards, rear wing, hood vent, and roof fin into one integrated aero system for serious track-day drivers and time attack competitors.\u003c\/p\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eDesigned for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eToyota GR Supra A90\/A91 Supra\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease confirm your vehicle year, bumper configuration, hood configuration, and competition-class requirements before ordering.\u003c\/p\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eTrack-Proven Performance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe GT4+ Aero Kit was developed and tested on road-going A90 Supras equipped primarily with bolt-on modifications.\u003c\/p\u003e\n\u003cp\u003eThe recorded results below were achieved on vehicles with no significant weight reduction and using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e275\/35R18 200TW street-class tires\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eA90 Supra Testing Results\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGRIDLIFE — WeatherTech Raceway Laguna Seca\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBest recorded lap:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1:33.962\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStock turbo\u003c\/li\u003e\n\u003cli\u003eStock transmission\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGlobal Time Attack Finals — Buttonwillow CW13\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSecond place\u003c\/li\u003e\n\u003cli\u003eBest recorded lap:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1:49.132\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReal results. Real podiums. Real validation.\u003c\/p\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eGT4+ Rear Wing\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe GT4+ Rear Wing features a redesigned mounting system developed to reduce the water-intrusion concerns associated with the original GT4 wing installation.\u003c\/p\u003e\n\u003cp\u003eBecause the GT4+ wing is not restricted by the original GT4 racing regulations, it uses a larger wing foil than the OEM GT4 component. The increased aerodynamic surface area is designed to generate additional rear downforce while maintaining an efficient wing profile.\u003c\/p\u003e\n\u003ch4\u003eRear Wing Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eGT4-derived rear wing design\u003c\/li\u003e\n\u003cli\u003eRedesigned mounting solution\u003c\/li\u003e\n\u003cli\u003eDeveloped to reduce the risk of water intrusion\u003c\/li\u003e\n\u003cli\u003eLarger wing foil (1600mm) than the OEM GR Supra GT4 wing\u003c\/li\u003e\n\u003cli\u003eIncreased aerodynamic surface area\u003c\/li\u003e\n\u003cli\u003eDesigned to generate additional rear downforce\u003c\/li\u003e\n\u003cli\u003eInstallation hardware included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RM ENGINEERING RACE","offers":[{"title":"RM A90 SUPRA GT4+ Wing","offer_id":51672904597792,"sku":null,"price":1699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/9339\/1392\/files\/27965.png?v=1779675112"},{"product_id":"rm-engineering-gt4-canards-for-toyota-a90-supra","title":"RM Engineering GT4+ Canards For TOYOTA A90 SUPRA","description":"\u003ch2\u003e\u003cstrong\u003eEngineered for Maximum Performance. Inspired by Gazoo Racing GT4 Racecars. Proven on Track.\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRidgeline Motorsport GT4+ Time Attack Aero Kit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis our most comprehensive aerodynamic package for the Toyota GR Supra A90 platform.\u003c\/p\u003e\n\u003cp\u003eDeveloped from the aerodynamic foundation of the Toyota GR Supra GT4 race car, the GT4+ system evolves beyond the limitations of the original GT4 rulebook. Each component has been redesigned using real-world track testing and competition experience to increase aerodynamic performance while maintaining a balanced relationship between front and rear downforce.\u003c\/p\u003e\n\u003cp\u003eThe complete package combines the GT4+ front lip, tunneled front splitter, canards, rear wing, hood vent, and roof fin into one integrated aero system for serious track-day drivers and time attack competitors.\u003c\/p\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eDesigned for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eToyota GR Supra A90\/A91 Supra\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease confirm your vehicle year, bumper configuration, hood configuration, and competition-class requirements before ordering.\u003c\/p\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eTrack-Proven Performance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe GT4+ Aero Kit was developed and tested on road-going A90 Supras equipped primarily with bolt-on modifications.\u003c\/p\u003e\n\u003cp\u003eThe recorded results below were achieved on vehicles with no significant weight reduction and using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e275\/35R18 200TW street-class tires\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eA90 Supra Testing Results\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGRIDLIFE — WeatherTech Raceway Laguna Seca\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBest recorded lap:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1:33.962\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStock turbo\u003c\/li\u003e\n\u003cli\u003eStock transmission\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGlobal Time Attack Finals — Buttonwillow CW13\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSecond place\u003c\/li\u003e\n\u003cli\u003eBest recorded lap:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1:49.132\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReal results. Real podiums. Real validation.\u003c\/p\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eGT4+ Canards\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe GT4+ Canards are designed to work with the front lip and tunneled splitter to improve front-end aerodynamic response.\u003c\/p\u003e\n\u003ch4\u003eCanard Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDeveloped specifically for the A90 GT4+ aero system\u003c\/li\u003e\n\u003cli\u003eDesigned to improve front-end grip\u003c\/li\u003e\n\u003cli\u003eSupports increased medium- and high-speed stability\u003c\/li\u003e\n\u003cli\u003eComplements the front lip and splitter system\u003c\/li\u003e\n\u003cli\u003eInstallation hardware included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RM ENGINEERING RACE","offers":[{"title":"RM A90 Supra GT4 Canards","offer_id":51672904859936,"sku":null,"price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/9339\/1392\/files\/28074.png?v=1779675699"},{"product_id":"rm-engineering-gt4-splitter-kit-for-toyota-a90-supra","title":"RM Engineering GT4+ Splitter Kit For TOYOTA A90 SUPRA","description":"\u003ch2\u003e\u003cstrong\u003eEngineered for Maximum Performance. Inspired by Gazoo Racing GT4 Racecars. Proven on Track.\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRidgeline Motorsport GT4+ Time Attack Aero Kit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis our most comprehensive aerodynamic package for the Toyota GR Supra A90 platform.\u003c\/p\u003e\n\u003cp\u003eDeveloped from the aerodynamic foundation of the Toyota GR Supra GT4 race car, the GT4+ system evolves beyond the limitations of the original GT4 rulebook. Each component has been redesigned using real-world track testing and competition experience to increase aerodynamic performance while maintaining a balanced relationship between front and rear downforce.\u003c\/p\u003e\n\u003cp\u003eThe complete package combines the GT4+ front lip, tunneled front splitter, canards, rear wing, hood vent, and roof fin into one integrated aero system for serious track-day drivers and time attack competitors.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eDesigned for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eToyota GR Supra A90\/A91 Supra\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease confirm your vehicle year, bumper configuration, hood configuration, and competition-class requirements before ordering.\u003c\/p\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eTrack-Proven Performance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe GT4+ Aero Kit was developed and tested on road-going A90 Supras equipped primarily with bolt-on modifications.\u003c\/p\u003e\n\u003cp\u003eThe recorded results below were achieved on vehicles with no significant weight reduction and using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e275\/35R18 200TW street-class tires\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eA90 Supra Testing Results\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGRIDLIFE — WeatherTech Raceway Laguna Seca\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBest recorded lap:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1:33.962\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStock turbo\u003c\/li\u003e\n\u003cli\u003eStock transmission\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGlobal Time Attack Finals — Buttonwillow CW13\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSecond place\u003c\/li\u003e\n\u003cli\u003eBest recorded lap:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1:49.132\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReal results. 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