If you delete your resonator and mufflers removing alot of back pressure there and thats a strain on your motor. The thrush turbos were like 40 bucks a peice and the shorter resonator was maybe 20. So it was fairly cheap, although at the time i had access to a tube bender and a guy that was really good at welding so it only costed me the price of the parts plus a 12 pack lol. I'll see if i cant get a sound clip on here for ya.

 

It refers to the angle of the cylinder, here's some reading into the 60degree engine: 60DegreeV6.com - 60º V6 Family Tree