I want the loudest exhaust

thanks for all your help

i know this sounds stupid but my car with the greound effects on it sits 3 1/2 inches off the ground is there any way to raise that so i can go over a speed bump lol...i was also thinking of putting tein type flex suspention kit. maybe that will raise it also when i get by car out of the shop and put my 17s back on(dont want them to get overspray on them) that will raise it up