paint protection - only if 3M clear bra is installed in the front - Q! d, V) C5 j1 D( _leather protection - no " p# p8 F! O% \6 `1 M, iundercoat - you can do it yourself( Z% W2 }6 h4 p; l3 n
rock guard - it is ugly 0 V# H. N# [" A5 q7 z. Q4 R @rust inhibitor - no, most new production car chassis are treated with anti-rust chemical before primer.