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Diffuser (Test unit) Fits 1999-2004 Mustang GT/V6/Mach1/Bullitt/


Product ID:


Vehicle Compability:
1999-2004 Mustang GT/V6/Mach1/Bullitt/Cobra

This is a diffuser unit that we used for testing. It is from a Dodge Viper and from our testing, it does fit the Mustangs. It is used, and may have some surface blemishes.
Note: It has not been tested on the 1979-1998 rear body style, but it may fit (we cannot guarantee that). Only unit available makes this a final sale.

For information, see:

A diffuser, in an automotive context, is a shaped section of the car underbody which improves the car's aerodynamic properties by enhancing the transition between the high-velocity airflow underneath the car and the much slower freestream airflow of the ambient atmosphere. It works by providing a space for the underbody airflow to decelerate and expand so that it does not cause excessive flow separation and drag, by providing a degree of "wake infill". The diffuser itself accelerates the flow in front of it, which helps generate downforce.


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