90Mustangfan

I have flowmaster 50 series with dumps, how much louder should the super 40 series be with dumps? or should I just keep what I have on?I really like the rumbles that are on it now, but I want more, should I upgrade to 40's or stay with what I got?

NegadivOne

well i prefer the sound of the 40s, but if you already have the 50s, switching over kinda seems like a waste of money to me. 50s sound good too! but thats just my opinion.

Moosetang

Never heard a 50series on a stang. But 40's are the ****

mdvaldosta

THe 50's are 3 chamber right? IF so the 40's are a helluva lot louder at idle

91LXmustang

get the 40's

e40water

Just bought my 40's flows got them put on, Damn what a diff, Damn I love those mufflers,

90Mustangfan

so I should switch?I like the 40, my other cars have them and they are great.

bobby

i think you should switch man, i have the origianl 40 series and the are nice!!!!!!!!!

Duffs302

I have the 40 series, great sound (don't know about the 50 series)

bobby

there not to load while idling or cruising just the right sounding rumble!!! when u tromp on it they come to life like you wouldn't believe!!!!!!!!!!