Scion FR-S/ Toyota GT86/ Subaru BRZ Rear Bumper Valance 2013-2016 F82 M4 This allows for smoother air

This allows for smoother air flow below the front bumper

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Scion FR-S/ Toyota GT86/ Subaru BRZ Rear Bumper Valance 2013-2016 F82 M4 This allows for smoother airDiffusers work in conjunction with other aerodynamic components of a car to help produce downforce. Because a car displaces air as it moves forward, the air molecules in the rear of the car get disrupted causing a vacuum of low pressure air. To help channel the high speed air flow coming from underneath the car, diffusers redirects the high speed air flow to transition smoothly transition into the low pressure vacuum in the rear. This encourages a