paint protection - only if 3M clear bra is installed in the front4 f1 D; p4 J% y( V" X' t
leather protection - no ( _7 ^2 _# P# F0 Y# v9 nundercoat - you can do it yourself 6 ~6 x# u/ ?2 e0 k5 `+ v( D& vrock guard - it is ugly - ?% |' Y3 Y# k' @+ {3 nrust inhibitor - no, most new production car chassis are treated with anti-rust chemical before primer.