Luggage compartment expansion and rear bench out!!!

Hello I need urgent help!I have a 2 golf and have already made hosen carrier belts and everything possible and because it is still only a 2 seater I want to remove now immediately my suitcase room the heoisst the back bench flies out and the things are dressed with mdf wood then I want to make 2 amplifiers on it and 2 subwoofers and just everything light up with blue neon tubes and a powercap may not be missing! now comes the important question! ?it is supposed to boom properly!can anyone help me???please some suggestions what subs are good!I want to build in any case two 30s! what does it look like with alpine? and if then which???please help me and share your experiences with what subs are good!thanks in advance!!!