NO NO i only read the first and second post i made a custom fiberglass box for my quest DONT USE PORTS there s***, only use ports in a car with a trunk... 2x 12's dont mix match 10/12 my cousin is a proffesional car sterio installer has about 5 years in the buisness making custom boxes and such ill post pics of how mine turned out omfg it pounds point them towards the rear window so they fire off of it boom bass slaps u in the head if anyone needs tips on making custom fiberglass box id glady give info *edit i took the time to read all the posts it really depends if u fire towards the rear and not off the window i got alot of rattling when i had a regular sub box when it was faced back then when i sat it so they fired off the rear hatch window no rattle and it sounded better to me not such a deep bass but alot clearer