It really depends on what you are after. Are you after sound quality or just "thump" "thump" so others can hear you driving down the street? Also, what is your setup? Everything stock? What kind of amplifier do you have? What kind of box do you want to build? Sealed? Ported? Bandpass? How much room do you want to take up? What size speakers do you want?
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Honda-Acura.net Vigor/TL/CL Forum Moderator.
Comptech Icebox, Headers, Exhaust, Lowering Springs and Sway Bars. Mugen front grille. Inspire tailamps. MOMO Sport 18 X 7.5 +42 offset. Axxis Metal Master front/rear pad. 2 Polk/MOMO 10" subs, Orion Xtreme 500.4 amplifier and Alpine CD changer.