Ok I Have two Rockford Fosgate 10" T1 subwoofers. According to their site, they need 3 cubic feet. Woofer Displacement is 0.065 cubic feet. I want to tune the box at 32hz. My car(98 BMW 323i) has very limited trunk space! Max trunk space I can use is: 36" Wide, 14.5" Tall, & 11.5" Depth. I...