Yes, I will look for a tight fit, thank you for the advice, WarBird
Hm, as long as torque on the low side is not affected too much I am fine. Its a matter of physics that any restriction cuts down performance again. Maybe I better look for a means to measure the volume of sound before and after. I will look for Vance&Hines Baffles after my vacation, thank you PaulR.
