A) why do you want a loud muffler?
B) any muffler can work on any car
C) why do you want a loud muffler?
D) you need to stop worrying aout what other people think
E) mod your car to make you happy, not to be fast. A DX AUTO will never be fast. Not really even quick. So, why waste the time and money on "loud mufflers" when there's so much else you'd need to do first to make it quick?