Thanks a ton dude. its Verna SX(O) CRDi White.. Just love driving his sedan.. I have pioneer HU, 2 Alpine amphs, 1 Pioneer Premier DVC woofer, JBL Ovals & wiring, and 4 Kicker components.. Currently I have installed woofer, amphs, ovals only in the verna with company fitted HU n components direct with the HU as I dont wanna spoil ma warranty.. Not using the JBL bass-tube presently.. Now the problem is, am not getting the bass as boot is sealed, speakers are currently on top of the rear tray and al most touching the rear glass. So these are the problem am facing. Have a look below. What have you done in your car? Pls advise something bro!!