hmm i dont know where to start... im getting a 2004 F150 supercrew 4dr... i have two infinity kappa perfect 10's and an infinity reference amp. im needing to know box ideas... should i downfire them upfire them are face them out towards the front seats... this idea sounds good and bad... good being they would be louder bad cuase my friends my kick them with thr heel or something... it will be a ported box built by a friend who has done over 1000 boxes so he will know what he is doing... any ideas??????????