Mar 13, 2006 / making diesel engine run quieter #41 J john_bud Super Member Joined Sep 23, 2000 Messages 6,679 Donaldson makes some great mufflers for quieting down without taking away power. donaldson Measure your current exhaust pipe diameter and get the largest and longest muffler with that diameter. Longer is usually quieter. jb
Donaldson makes some great mufflers for quieting down without taking away power. donaldson Measure your current exhaust pipe diameter and get the largest and longest muffler with that diameter. Longer is usually quieter. jb
