what u dun like on ur current setup? what u need in ur setup? ur budget?

sound proofing your doors and firewall can minimize but not totally cut off the road noise, if budget constrain try diy using superlon, buy those few mm should do the trick. If u got budget go for those bituminous sheets, cheaper brand to more expensive brand depends on ur budget.

if want to hear every details then u got to spend a bomb on ur ice setup, try from basic setup, upgrade or add one item per item, use longer time to achieve what u want if budget constrain. Try to learn and read more about ice sq, take ur time ya