Car UNDERCOATING Pros/Cons/Recommendations

[jeovan]

Good Evening po, may hatchback po ako na 5 years na, balak ko po sana mag pa undercoat, ano po kaya PROS and CONS, dun sa mga nka pag try magpa undercoat. At baka may recommendation po kayo which type of undercoating ang maganda pros and cons din po.

Thank you in advance.