Put this on a 2015 B17 Sentra, very low, no rasp, no crackle. Just a good 4 cylinder sound, no fart. The overall size of the muffler is 23", 18" long, 3.5" body and 2.25" core. Tightly packed. Better sound than Cherry Bomb. Sounds better than the Tanabe rear axle, IMHO.