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Verus Engineering Front Wheel Deflector Kit

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CA$177.38

After extensive design and research to include CFD analysis, FT-86 SpeedFactory is proud to present their front wheel deflectors by Verus Motorsports.

WHAT DOES IT DO?

The front wheel deflectors were designed to improve the vehicles handling at high rates of speed. By reducing the airflow which makes it into the wheel wells and directly hits the front wheels, we are able to reduce drag. By persuading the airflow to go to the underbody, we are able to increase the downforce of the vehicle as well. We then took this a step further, and created a design purpose built for the splitter we produce, as well as an OEM front bumper, each of which ship with the front wheel deflector kit.

NOTE: This unit is between 0.64” and 0.84” taller towards the ground than the OEM unit and sticks outwards further as well. These are made from thin sheet aluminum which does not bend as readily as thick rubber like the OEM unit. This means they may rub when they did not before.

The front wheel deflectors reduced drag of the vehicle slightly with very little numerical change in downforce. While we believe our CFD analysis to be accurate, these analysis do have a hard time picking up small changes like these on the underbody of a somewhat accurate model. These changes are not terrible considering the size and location of these components though.

HOW DID WE COME UP WITH THIS?

Like all of our analysis before, each analysis was done using a half-car analysis since no yaw testing was completed. This is done using symmetry down the centerline of the car. Significantly less computational processing power is necessary when using a half-car model and was the reason behind this analysis approach. The meshing of the car is done using first a surface mesh and then volume mesh. To find a suitable mesh size for the analysis, a grid convergence study was done. A volume mesh count of 10 million cells was considered within the room of accuracy using mesh sensitivity analysis.

SUMMARY

The big thing to remember with a component like this is that the theory and science, as well as nearly every OE manufacturer, backs its function. Just because the CFD analysis does not show a large numerical change in downforce does not mean that real world results will not show more benefit. We do believe real world downforce will be more than what CFD showed but this is an educated guess. At 70 MPH, our test vehicle saw a consistent increase of 0.3 MPG from the addition of this component.

Real world benefits may differ as this is a computational analysis. Something as simple as ride height or wheel choice can vary results, as well as various other aspects. Real world results could be better or worse than what has been shown.

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Fitments

Year Make Model Submodel
2019 Subaru BRZ tS
2017 Subaru BRZ Limited
2017 Subaru BRZ Premium
2016 Subaru BRZ Limited
2016 Subaru BRZ Premium
2016 Subaru BRZ Series.HyperBlue
2016 Subaru BRZ Series Hyper Blue
2015 Subaru BRZ Limited
2015 Subaru BRZ Premium
2014 Subaru BRZ Limited
2014 Subaru BRZ Premium
2013 Subaru BRZ Limited
2013 Subaru BRZ Premium
201 Subaru BRZ 4 Limited