Wow. Just about all of my suggestions shot right down.
Just an FYI, I have kept a fuel log ever since I got the car in Jan 2011 via Gas Cubby on my iPhone. With everything that I've done to this car over that time, I have seen constant improvements with every modification made.
Also, adding the lip spoiler does NOT add to cdA, it adds to the frontal area. But when the car got lowered, that frontal area also got reduced slightly. Due to the installation of the GV lip spoiler, it greatly reduced the air flowing under the car, thus reducing cdA a bit as well.
But anyway...
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