paint protection - only if 3M clear bra is installed in the front % B, ~1 C, f+ v! @) y; e# {2 U2 nleather protection - no% Q9 x, g0 y- A
undercoat - you can do it yourself( U3 G7 z% c+ V$ n! Q7 X/ E: ^4 y- u2 u
rock guard - it is ugly4 r7 x, g/ a, ?" r: r- N
rust inhibitor - no, most new production car chassis are treated with anti-rust chemical before primer.