|
Registered
Join Date: Jul 2015
Location: Jacksonville, Fl
Posts: 1,208
|
I just did some testing today. My 964 3.6 L engine has Rothsport headers at the GT three muffler. It’s 75 miles an hour in cruise at fifth gear at about 3000 RPM. The car is 86 dB in the cabin. That’s loud, too loud for a street car, and that is on the quiet side of the mufflers.
__________________
Chris - Insta @chrisjbolton
1975 911s Insta: @911ratrod steel wide body, 3.6 conversion
1989 911 Carrera 25th Anniversary Ed (5th from the last car to ever leave the original Porsche factory assembly line)
2001 996 Turbo - ~54k miles
|