What's your favorite modification on your truck?

[Fastandcrazy]

I am just curious to see what everyone's favorite modification they did, or had done, to their truck. It can be as small as that finicky misfire you had the hardest time solving, or as big as a body drop, just so you can see your Pride and Joy lay in the weeds.

Hoping this can grow to show others talents and ideas.

I will go ahead and start this off:
My favorite modification as of today would have to be painting my truck to get it all one color. Prior to the shiny red you see now, it was a faded red, with body work shown Once I got it painted, it changed the whole aurora when I would drive around.

But once again, as we are never done, I am in the process of redoing everything and having the body work and paint professionally done.