Borla exhaust from high modification, its sound is sweet and melodious. Fits most cars like GMC and Land Cruiser. It is free of dents and leaks, has not been shot. Its size is small but its sound is sweet. 2.5 inches without a throttle body. It is sound and free of leaks. Whoever wants to hear its sound, I have a sound clip. It is melodious on a 2006 Land Cruiser and GMC.