R024
Rapid Transit Protocol
2010 Kia Soul
R023
Iron Grid Program
The Iron Grid Program reimagines the 2002 Dodge Intrepid as a purpose-built endurance touring racer, channeling the spirit and engineering rigor of 90s Japanese Super Touring Championship machines. This transformation widens the track by 140mm front and rear, integrating squared trapezoidal fender arches that not only accommodate the increased tire width but also optimize airflow with vertical lips and vortex generators. Aerodynamics take center stage with a vertically layered front intake, twin NACA ducts on the hood, and a rear diffuser paired with a GT-style dual-element wing, all tuned to balance downforce and drag for tight, technical road circuits. Underneath the aggressive widebody exterior, the suspension features fully adjustable double wishbones set to a low 95mm ride height, enhancing mechanical grip for prolonged laps. The drivetrain retains the original V6 layout but is extensively modified with a sequential racing gearbox, dry sump lubrication, and relocated rear radiators housed in widened sidepods for thermal efficiency. BBS Motorsport forged wheels wrapped in Toyo Proxes R888R semi-slicks complete the package, marrying classic endurance race aesthetics with uncompromising performance.
Blueprint // R023
Technical Dossier // R023
Track
Designed for tight, technical road circuits, the Iron Grid Program excels in endurance racing scenarios where consistent lap times and mechanical grip are paramount. The wide track, adjustable double wishbone suspension, and aerodynamic aids work in concert to maintain stability and speed through complex corner sequences and extended race durations.
Body Modifications
Front and rear track widened by 140mm with squared trapezoidal fender arches
Rear hatch extended 90mm with integrated diffuser undertray
Widened rear haunches by 120mm sculpted into fender extensions
Re-profiled hood with dual central NACA ducts
Aero Components
Vertically layered front intake splitter projecting 150mm forward
Twin 180mm tall radiator inlets with hidden ducted channels
Rear underfloor diffuser with twin vertical strakes
GT-style dual-element rear wing spanning 1680mm on 700mm tall pylons
Aero
Aerodynamics are comprehensively engineered, starting with a vertically layered front splitter that channels airflow into large radiator inlets feeding hidden ducts. The hood’s twin NACA ducts extract heat from the intercoolers, while the rear diffuser with vertical strakes stabilizes underfloor airflow. The prominent dual-element rear wing mounted on tall pylons ensures balanced downforce, reducing drag and enhancing high-speed cornering stability.
Wheel and Tire Setup
Front wheels: 18x11 BBS Motorsport forged with asymmetric spokes
Rear wheels: 18x12 BBS Motorsport forged with asymmetric spokes
Tires: Toyo Proxes R888R semi-slicks front and rear
Brake cooling integrated via wheel spoke design
Wheels
The car rides on BBS Motorsport forged wheels in 18x11 front and 18x12 rear sizes, featuring asymmetric spoke designs that facilitate effective brake cooling. These lightweight wheels paired with Toyo Proxes R888R semi-slick tires deliver the mechanical grip and responsiveness necessary for endurance grid racing.
Stance
Set to a low 95mm ride height with fully adjustable double wishbone suspension, the stance is aggressive yet functional, maximizing lateral grip and weight transfer. The widened track and flared arches provide a muscular footprint, balancing visual impact with on-track precision.
Powertrain Concept
Longitudinal V6 engine with racing sequential gearbox
Dry sump lubrication system for sustained high-G operation
Rear-mounted radiator packs relocated to sidepods for thermal balance
Upgraded twin front-mount intercoolers with enhanced ducting
Engine
The original longitudinal V6 is transformed into a race-spec powerhouse, featuring dry sump lubrication to maintain oil pressure during endurance stints and high cornering loads. Twin front-mount intercoolers paired with hood NACA ducts ensure optimal intake temperatures, while the sequential gearbox delivers rapid, precise shifts for competitive track performance.
Drivetrain
A fully sequential racing transmission replaces the stock gearbox, providing durability and speed essential for endurance racing. Cooling is optimized with relocated rear radiators housed in widened sidepods, improving thermal management and weight distribution. The drivetrain setup prioritizes reliability and balance for sustained high-speed operation on tight circuits.
Fabrication Notes
Custom-fabricated trapezoidal fender extensions with airflow lips
Reinforced trunk floor pan for wing pylon mounting
Stiffened front subframe to support extended intake assembly
Integrated vortex generators molded into fender arch profiles
Wave Release
NPC to Pro
Look, we all know the usual suspects that rule the tuner scene, but this batch? This is where the real magic cooks in the shadows. We took some misunderstood street machines and domestic normcore chassis and…
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