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Have 2 optiones , remove rear bumper OR cut it
This allow more air to travel through the rear bumper reducing wind drag and increase top speed due to reduced drag & turbulence.
so remove
it or just cut it?
I think it's obvious that cutting looks a looooot better. That being said, there is a third option: Rear diffuser that covers the whole rear bumper. I made one for my hatch out of 1/8 inch ABS plastic.
05-29-2018, 10:19 PM
EK9 rear bumper wind drag
