Description
The Verus Engineering Bottom Mount UCW Rear Wing Kit for the Subaru WRX VB is a high-performance aerodynamic upgrade designed to significantly increase rear-end downforce, improve high-speed stability, increase cornering confidence, and help reduce lap times. Designed specifically around the factory Subaru WRX VB trunk, the UCW Rear Wing provides substantial aerodynamic performance while maintaining a clean, OEM-inspired appearance.
The UCW airfoil is derived from the Verus Engineering V1X and was optimized using advanced aerodynamic analysis to maximize performance within the available design envelope. Extensive CFD analysis was also used to ensure the wing receives adequate airflow when installed on the vehicle and performs effectively in its intended operating range.
During development, Verus Engineering utilized in-house vehicle scan data to achieve a near-OEM fit and finish. From the machined mounting components to the wing's overall shape, the UCW was designed to complement the natural body lines of the Subaru WRX VB while providing the substantial rear downforce required for serious track use.
The Bottom Mount UCW Rear Wing is particularly well suited to track-focused WRX builds that require a significant increase in rear downforce to balance a substantial front aerodynamic package, such as the Verus Engineering Front Splitter Kit.
UCW Wings are assembled per order and will ship within 5 business days from receipt of order unless otherwise specified.
Fitment
Subaru WRX VB: 2022-2026
This Verus Engineering Bottom Mount UCW Rear Wing Kit is specifically designed for the 2022-2026 Subaru WRX VB and is designed to mount directly to the factory trunk.
Key Features
- Significantly increases rear-end downforce
- Improves high-speed rear-end stability
- Increases driver confidence on track
- Can help reduce lap times
- Can increase cornering speeds
- Designed to balance significant front aerodynamic systems
- Capable of generating and withstanding 500+ lbs of downforce
- 0-15 degrees of adjustable angle of attack
- Airfoil derived from the Verus Engineering V1X
- Optimized using the ANSYS Adjoint Solver
- Refined through wind tunnel testing
- CFD-optimized for improved lift-to-drag efficiency
- CFD verified for adequate airflow when installed on the vehicle
- Designed around the factory Subaru WRX VB trunk
- Sleek bottom-mounted trunk supports complement the WRX VB body lines
- Near-OEM fit and finish
- 2x2 twill pre-preg carbon fiber wing construction
- Autoclave-cured carbon fiber
- Automotive high-gloss clear coat
- 5-axis CNC-machined 6061-T6 aluminum mounting components
- Stainless steel hardware throughout
- Installation templates included
- Designed as part of the Verus Engineering Ventus 3 aerodynamic package
Aerodynamic Design
The Verus Engineering UCW Rear Wing was specifically developed for Subaru WRX VB owners seeking a substantial increase in rear-end aerodynamic load.
The wing operates across an angle-of-attack range of 0 to 15 degrees, giving the driver the ability to adjust the amount of rear downforce to complement different front aerodynamic configurations.
This adjustability makes the UCW particularly useful for track builds where aerodynamic balance needs to be tuned according to the vehicle's front splitter, dive planes, suspension setup, tires, and other aerodynamic components.
The UCW is capable of generating and withstanding 500+ lbs of downforce, making it suitable for high-downforce applications where significant rear aerodynamic load is required.
CFD and Wind Tunnel Development
Verus Engineering used advanced aerodynamic development methods to optimize the UCW airfoil.
The airfoil was optimized using the ANSYS Adjoint Solver, with further shape refinement performed through rigorous CFD analysis and wind tunnel testing. These development methods were used to improve the wing's lift-to-drag efficiency while maximizing aerodynamic performance.
CFD analysis was also performed with the wing installed on the Subaru WRX VB to ensure that the wing receives adequate airflow and operates effectively on the vehicle.
Verus Engineering's CFD results were compared against real-world experimental data, with strong correlation between the simulated and measured results validating the aerodynamic development process and the wing's performance.
Bottom Mount Design
The Bottom Mount UCW uses sleek machined aluminum trunk mounts designed specifically around the Subaru WRX VB.
The mounting system provides the structural support required for the substantial aerodynamic loads generated by the UCW while maintaining an integrated appearance that complements the natural curves of the WRX VB.
The bottom-mount configuration also provides a distinct visual and functional alternative to the Swan Neck UCW Rear Wing offered by Verus Engineering.
Ventus 3 Aerodynamic Package
The Verus Engineering UCW Rear Wing is part of the Verus Engineering Ventus 3 aerodynamic package for the Subaru WRX VB.
The Ventus 3 package was developed to significantly increase the aerodynamic performance of the WRX while maintaining a balanced and safe setup. The UCW Rear Wing can be paired with substantial front aerodynamic components to create a balanced high-downforce package.
The wing is particularly well suited for vehicles equipped with a significant front splitter, allowing the increased rear downforce to complement the additional front-end aerodynamic load.
Construction
The rear wing element is manufactured from 2x2 twill pre-preg carbon fiber and autoclave cured for high-quality, consistent construction. The wing receives an automotive high-gloss clear coat for a durable, premium finish.
The mounting components are machined in-house from 6061-T6 aluminum using 5-axis CNC machining, providing precise fitment, high strength, and a high-quality finish.
Stainless steel hardware is used throughout the installation.
What's Included
- Carbon Fiber Rear Wing Assembly (1)
- Machined Aluminum Rear Wing Uprights (2)
- Machined Aluminum Rear Wing Trunk Mounts (2)
- Carbon Fiber Rear Wing Endplates (2)
- Complete Hardware Kit with all parts necessary for installation
- Installation Templates
Specifications
- Brand: Verus Engineering
- Product: Bottom Mount UCW Rear Wing Kit
- Vehicle: Subaru WRX VB
- Fitment: 2022-2026
- Wing Material: 2x2 Twill Pre-Preg Carbon Fiber
- Wing Construction: Autoclave Cured
- Wing Finish: Automotive High-Gloss Clear
- Uprights: Machined 6061-T6 Aluminum
- Trunk Mounts: Machined 6061-T6 Aluminum
- Manufacturing: 5-Axis CNC Machined
- Hardware: Stainless Steel
- Angle of Attack: 0-15 Degrees
- Downforce Capacity: 500+ lbs
- Aerodynamic Development: ANSYS Adjoint Solver, CFD, Wind Tunnel Testing
- Aerodynamic Package: Ventus 3
- Installation: Factory Trunk Mounting
- Assembly: Assembled Per Order
Performance Benefits
The Verus Engineering Bottom Mount UCW Rear Wing is designed to:
- Generate substantial rear-end downforce
- Improve rear-end stability at high speeds
- Increase cornering confidence
- Increase potential cornering speeds
- Help reduce lap times
- Balance significant front aerodynamic systems
- Provide adjustable rear aerodynamic load from 0-15 degrees angle of attack
- Maintain strong aerodynamic efficiency through CFD-based optimization
- Provide a high-strength, motorsports-inspired rear wing solution for the Subaru WRX VB
Bottom Mount UCW vs. Swan Neck UCW
Verus Engineering offers the UCW Rear Wing in both Bottom Mount and Swan Neck configurations. This product is the Bottom Mount UCW Rear Wing Kit, which uses machined aluminum uprights and trunk mounts positioned below the wing element.
The Swan Neck version provides an alternative mounting configuration with styling inspired by the 24 Hours of Nürburgring WRX. Both configurations are designed around the Subaru WRX VB and provide substantial rear aerodynamic performance, but their mounting designs and visual characteristics differ.
