Stickers don't add anything to performance but a vinyl decal will add atleast 10 horses. Fuzzy dice will add another 40 and the all mighty spoiler a whopping 100 extra horses.
I think cyberbrats cars look nice but like a few have said, it really takes no talent to apply a sticker and just because your car looks clean don't make it a winner.
My truck will crush you.
Triple button cells dual motor zip chassis 40mhz monster.