APR Carbon Fiber 2010-2012 Ford Mustang GT Rear Diffuser Roush When it comes to reducing

When it comes to reducing aerodynamic drag to your 2015-2021 Subaru WRX

To help channel the high speed air flow coming from underneath the car

***Fits GTC-500 Version 2 Airfoil***

***DOES NOT FIT CONVERTIBLE***Spanning 71" or 74" inches

APR Carbon Fiber 2010-2012 Ford Mustang GT Rear Diffuser Roush When it comes to reducingDiffusers work in conjunction with other aerodynamic components of a car to help produce downforce. Because your 2010 2012 Ford Mustang GT displaces air as it moves forward, the air molecules in the rear of the car get disrupted causing a vacuum of low pressure air. Features: 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