guys, bakit pag nalulubak ako s malilit n humps or butas minsan nagtutunog basag? natural n b to? pina chek kona s Matonetics, fox, wheelers s banawe laht cla wALang makitang cra? pero minsan minsn lng pero pag s lubak lubak ako or magrava n daan wala nmng 2mu2nog.... my car is civic vti 195/55/r15 tires with 25psi only. tnx salamat s magrereply....... hope i can solve this.ty