Description
The Verus Engineering Rear Diffuser for the Mk5 Toyota Supra combines aerodynamic performance, functional design, and OEM-inspired fitment to improve the overall performance and appearance of the A90 chassis.
Designed as a simple, non-invasive bolt-on upgrade, the Verus Engineering Rear Diffuser increases aerodynamic performance without requiring permanent modifications to the vehicle while maintaining significant structural strength.
Using state-of-the-art aerodynamic analysis software during development, Verus Engineering optimized the diffuser to extract additional performance from its available design volume. The result is a rear diffuser designed to reduce drag, reduce vehicle lift, increase downforce, and improve overall aerodynamic efficiency.
In-house scan data was also used throughout the design process to achieve a near-OEM fit and finish.
On track, the Verus Engineering Rear Diffuser has helped increase both straight-line and cornering speeds while contributing to reduced lap times. It is designed for Supra owners looking for a combination of functional rear-end aerodynamics, improved vehicle stability, and aggressive styling.
Fitment
Mk5 Toyota Supra – A90 / A91 Chassis
- Vehicle: Toyota Supra
- Generation: Mk5
- Chassis: A90
- Application: Rear diffuser
- Position: Rear
- Installation: Non-invasive bolt-on
- Compatibility: Designed specifically for the Mk5 Toyota Supra
Confirmed Exhaust Fitment
The Verus Engineering Rear Diffuser has been confirmed to fit the following exhaust systems:
- aFe
- Akrapovic
- Dinan
- HKS Dual Muffler Catback
- Injen Race Exhaust — slight trimming required
- Fi Valvetronic Exhaust System
- Magnaflow — slight modification required
- OEM Exhaust
- Remark Catback — slight trimming required
- Valvetronic Designs Valved Sport Exhaust
Confirmed Exhausts That Do Not Fit
The following exhaust systems are confirmed to be incompatible with the Verus Engineering Rear Diffuser:
- BoostLogic
- AWE Touring
- AWE Track Edition
Verify your exhaust configuration before ordering to ensure compatibility.
What Is Included
- 1 × Rear Diffuser
- 2 × Rear Diffuser Front Brackets
- 2 × Rear Diffuser Front U-Brackets
- 2 × Rear Diffuser Side Brackets
- 4 × Rear Diffuser Rear Brackets
- 1 × Hardware Kit with all necessary installation components
Key Features
- CFD-Optimized Design: Developed using advanced aerodynamic analysis to maximize performance within the available design volume.
- Reduced Drag: Designed to reduce overall aerodynamic drag from the rear of the A90 chassis.
- Reduced Lift: Helps reduce vehicle lift and increase rear-end downforce.
- Improved Aerodynamic Efficiency: Improves the vehicle's overall lift-to-drag ratio.
- Increased Tire Grip at Speed: Additional aerodynamic load can improve tire performance at higher speeds.
- Vortex-Generating Design: Helps maintain attached airflow across the diffuser surface for improved aerodynamic performance.
- Non-Invasive Bolt-On Installation: Designed to install without permanent vehicle modifications.
- Near-OEM Fit and Finish: Developed using in-house scan data from the A90 Supra.
- Functional Styling: Adds an aggressive rear-end appearance while providing genuine aerodynamic functionality.
- Track-Focused Performance: Developed for owners looking to increase straight-line and cornering performance.
Specifications
- Design: CFD Optimized
- Material: 5052-H32 Sheet Aluminum
- Manufacturing: CNC Laser Cut
- Forming: CNC Press Brake Bent
- Finish: Low-Gloss Textured Black Powder Coat
- Hardware: Stainless Steel
- Construction: Unique Strake-to-Mainplane Construction
- Installation: Bolt-On
- Origin: Made in the USA
Aerodynamic Science
The Verus Engineering Rear Diffuser is designed to reduce overall vehicle lift while reducing drag, improving the aerodynamic efficiency of the A90 Toyota Supra.
As airflow travels underneath the vehicle and reaches the rear diffuser, the diffuser expands the airflow path and works to create a low-pressure region at the rear of the vehicle. This pressure differential contributes to aerodynamic load while helping manage the airflow exiting underneath the car.
The diffuser's design also generates vortices that help keep airflow attached to the diffuser surface. Maintaining attached airflow allows the diffuser to operate more effectively and helps improve its overall aerodynamic performance.
The result is a rear aerodynamic component designed to improve the Supra's lift-to-drag ratio, high-speed stability, and tire grip.
Aerodynamic Balance
Rear downforce needs to be considered together with front-end aerodynamic load. The Verus Engineering Rear Diffuser works as part of a balanced aerodynamic system, with the diffuser generating rear aerodynamic load while front-end components such as dive planes help add front downforce.
This combination creates a more proportioned aerodynamic balance for the A90 Toyota Supra and forms part of what Verus Engineering refers to as its Ventus 1 aerodynamic package.
For owners looking for additional downforce beyond the Ventus 1 configuration, Verus Engineering also offers Ventus 2 and Ventus 3 aerodynamic packages.
Rear Diffuser Design
The diffuser was developed using in-house scan data from the A90 Toyota Supra to achieve a near-OEM fit and finish.
Its 5052-H32 aluminum construction provides a strong and durable structure, while CNC laser cutting and CNC press brake forming allow the diffuser and its supporting components to be manufactured with precision.
The unique strake-to-mainplane construction contributes to the diffuser's functional aerodynamic design while maintaining a clean appearance.
Track Performance
The Verus Engineering Rear Diffuser was developed with both street and track applications in mind. During track use, the diffuser has helped Verus Engineering increase straight-line speed and cornering speed while reducing lap times.
Its aerodynamic benefits make it a functional upgrade for Supra owners looking to improve high-speed performance rather than simply add visual styling.
Installation
The Verus Engineering Rear Diffuser uses a simple, non-invasive bolt-on design and includes the required brackets and hardware for installation.
No permanent vehicle modifications are required, making it a straightforward way to add functional rear-end aerodynamic performance to the Mk5 Toyota Supra.
