paint protection - only if 3M clear bra is installed in the front" Q7 x9 ?9 N7 m. T+ M6 T
leather protection - no : m* ?( z4 e3 Yundercoat - you can do it yourself- _3 K7 I/ x# R H9 t
rock guard - it is ugly: i+ P/ }) O0 W
rust inhibitor - no, most new production car chassis are treated with anti-rust chemical before primer.