Installed new exhaust!

[Blitz02GT]

I just installed the new super 40's and I love the sound of them! Only complaint is it could be a little bit louder, especially at idle, don't they have to be given a little bit of time to break in all the way? or is this as loud as they will get?

 

[tomustang]

just muffs won't make a dramatic difference in sound, if you need more get an offroad h-pipe

 

[Darkhorse845]

I love the sound of Flow's on a mustang also!

 

[rcn4him]

It seems every system is fairly quiet at Idle. Not enough compression or cubic inch. Mine didn't start making noise at idle till I put my cams in. My idle is set around 950

 

[LI98GTStang]

just muffs won't make a dramatic difference in sound, if you need more get an offroad h-pipe

I agree with tomustang. The cats, from what I've experienced - even high flow ones, keep the idle's rumble to a minimum. It should though "break-in" and become somewhat louder. Give it a little time.

 

[1low03gt]

You need an off road pipe,h or x if you want some rumble.