2026 RTR Mustang Spec 3The 2026 Mustang RTR Spec 3 is the most powerful Mustang RTR ever built, delivering an incredible 810 horsepower and 615 lb-ft of torque from the Gen 6 3.0L Ford Performance Whipple Supercharger. Built from any 2026 Mustang GT chassis, the Spec 3 combines aggressive RTR styling, standard staggered RTR wheels, and track-ready performance into one unforgettable package.Equipped with the RTR Tactical Performance Suspension, adjustable shocks and sway bars, and race-proven engineering validated by Vaughn Gittin Jr. and Billy Johnson, the Spec 3 is designed for everything from daily driving to drifting and track days. The 2026 RTR Spec 3 is the ultimate Ready to Rock Mustang.*Advertised financing rates are only available through Ford Motor Credit Company, subject to credit approval. Discounts include dealer, package, and rebates for select Ford models. Offers are subject to change, see dealer for complete details.