Aerodynamic Paneling

Tonight I finished my current project of making my own DIY aerodynamic underbody paneling. All in all, it took about 40hours of work (mostly trial and error) to get everything right.

The sheetmetal paneling starts off at my front lip and continues back to the beginning of the fenderwells. From the fenderwells, it tapers in and stops right before my cat. I have it mounted to my ITR lip using the same bolt locations and also on the two tow hooks and front LCAs.

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Tonight was the first night I got to test drive with it and I like the results. My first worry was that the sheetmetal would viberate and make lots of unwanted noise, but even going up to 100mph it didn’t make one peep! The whole paneling lowers my ground clearace by 1/2″ and clears my oil pan (the lowest object) by 1/4″.

1. Three 2′x4′ aluminum sheetmetal pieces
2. Over 70 rivits
3. 1″x1/4″x8′ aluminum bar
4. Four 90 degree L brackets
5. Various nuts/bolts

Total cost: ~$80 (sheet metal is expensive!!)

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