Best sounding mufflers

[68Stepbed]

Originally Posted by Tom

That's really weird, the 50's are 3 chamber and made to eliminate the drone associated with the two chamber 40 series. My single 50 series is very quiet compared to the dual 40's in my 78.

That's one of the reasons I went with the 50 series. They sounded great from the tailpipes, but had horrible drone in the cab. That's the last set of Flowmasters I've bought. My 05 had a Flowmaster on it, but it got swapped out for a Magnaflow also.