Installing jl audio subs in f150?

ok i wanted to install 2 JL AUDIO 12W1v2-8 12" W1 v2 SUBWOOFERS in a 2004 f150 super crew lariat the sub box is this one http://cgi.ebay.com/ebaymotors/FORD-F150-TRUCK-SUBWOOFER-10-12-SPEAKER-SUB-BOX-2004_W0QQcmdZViewItemQQ_trkparmsZ72Q3a1205Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318Q7c301Q3a1Q7c293Q3a1Q7c294Q3a50QQ_trksidZp3286Q2ec0Q2em14QQhashZitem3ca20f3472QQitemZ260416943218QQptZCarQ5fSubwoofersQ5fEnclosures an the Amp have is a jl audio 500/1 i have everything except for the subs i want some subs that will pound hard with this amp and sub box if those subs will not give me alot of b can you guys tell me which subs to get that the b will hit really hard thanks