today i made 2 simple mods to my zz.i did an alternate underglow technique and a muffler.the underglow was done with some glow in the dark plastic rope stuff.the muffler was a cut off tip of a tech deck tool.i did these mods with out any damge to the chasis or body.i taped the underglow on with clear tape and the muffler with electric tape.i will post pics later.