09-06-2003, 08:30 PM
|
#1 (permalink)
|
Offline
|
|
|
|
Exhaust Volume
Does horsepower regulate exhaust loudness in a straightpiped cummins? Why do the 24v trucks sound louder, and slightly harsher than the 12v trucks? Is it the HP or does it have something to do with the valve system?
Thanks.
|
|
|
|