Thanks for the replies. Maybe aluminum would be a better choice for a belly pan, but I want it to also serve as an air dam to limit airflow under the car. I don't know if aluminum is strong enough for what I want. I have a fair amount of thin (.10 in. thick) plastic sheets to try also for the belly pan, at least.
The cold- or hot- air intake I am going to try won't be metal, I think plastic tubing would work. I will try to make it a short, smooth air path and cut some weight too.
Right now, I am preoccupied with getting to and from school on icy/snowy/foggy roads in 10 degree weather. So I have time to plan out my mods. But in this weather I'm only getting about 26 mpg.
Your thoughts are appreciated. Thank you.
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