mines noisy...but not because of exterior noise like what ur dealing with.....i have 2.5" exhaust plus aeroturbine muffler with NO resonator...yet...so mines extremely noisy and everyone around me knows that.

If i really get on teh gas it actually has, from what i can tell, a gun fire effect...the y-pipe is so small on the v-6's gen 3 directly going into the 2.5" which rapidly expands the air, add that to the suction created in the process it has and you get an even louder than normal engine, especially in the cabin unfortunately