For stealth mode. Sleepers do it all the time. Hard to tell from a distance. There are actual companys now that have diffrent colored weave beside's just black. I've only seen blue, green, gold, red, titanium, and hemp type colors so far though.
Wouldnt you want someone to be dumb enough to pull up beside you and not know that your cars weighs in 400-500 pounds less than theirs even if you had the same set up? Lol think sheet metal astro van with a 502 in it http://youtube.com/watch?v=T9fHFaLM7Fw Feel the power of the Mullet!!!!!!!