ordered a Nelson-86131M 4" in 4" out 51" long straight through from local Cummins heavy truck dealer should be here in couple days
my list of mufflers if you want to check them out
donaldson M090544
nelson 86131M
fleetpride m4490
walker 22936 unsure what its like but did cross reference
anyone else add one of these
my list of mufflers if you want to check them out
donaldson M090544
nelson 86131M
fleetpride m4490
walker 22936 unsure what its like but did cross reference
anyone else add one of these