There are ways to get it to sound deep, you just gotta get a bit lucky. My 2.0 is extreamly deep, almost has a bass to it but it's also very very very loud. It gets raspy right around 2.7-2.9rpm really bad though, but it also has a sudden lose of power and I think it's my cracked MSD unit causing the afr too sky rocket. I'll know later today (i haven't had this exhaust w.o my broke msd peice)