Ok im redoin a box for a friend. Hes got a alpine type e 10, powered by a spl800 mono. Right now its in a seled box but he wants to get into some serious dbs. The problem is he dosent wanna pay for dbs :01nocomment8so: So im just gonna build a nice ported box 1.31cuft tuned to 34hz should sound good. So far i only got the port done waitin for him to bring me the truck.