4.0 dual exshaust

[walleyeslayer]

ok i know theres already 100s of threads about this but i got another fix it yesterday for my stright pipe assholes any ways im looking at keeping it a dual exshaust any one got input into a loud good sounding muffler

 

[loneranger48]

flowmast 40 series is the only thing i have ever used..you get what you pay for keep that in mind.

 

[FordRambler]

if you mean dual out muffler then yes flowmaster 40 series is good. i have that on my 4.0 and it has a nice rumble to it for a 6 cylinder