M@T'S89RS

ok so i installed new kenwood 4ways in the sail panels and now i get this wierd sound, i think its interference from somehting but i dont know what. my friend said i had it on the passenger side before i replaced my speakers and i thought that it mioght be because the passenger side didnt have a baffle, but the new speakers wouldnt fit with the baffle on the drivers side, so i ripped it out. i have new baffles coming and i hope that that will fix my problem but idk if it will. if the baffles dont fix my problem does anyone know what will?