mike.coates88 Posted January 31, 2013 Report Share Posted January 31, 2013 hey im not new to car audio. just new to box building and want to get some info on how to design and build a box. i got google sketch and winisd. just still so confused. my buddy want 4 15" p3, (recomended 2.66 ft3 each). rockford fosgate subs. all going into a 2000 rl. he wants if possible to have to port were the back armrest folds down. so the only way i can see doing it is up firing but everytime i do all the math i cant figure out the port. i always get dumb high numbers. i can install and do custom work and i want to get into learning and building boxes, so any help would be helpfull. thx Like This Back to top Quote MultiQuote Link to comment Share on other sites More sharing options...
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