exhaust rattle

[Vette LS-1]

ok i have a Coras catback exhaust, but at idle and when i rev it and let off, when the rpms come down it sounds like it rattles, like a "ting ting ting".... something to that effect. When im driving/ WOT its fine or atleast i dont har it. what could it be???

[issues]

mine does the same thing but i have borla, must be a vette thing

[rug]

ok i have a Coras catback exhaust, but at idle and when i rev it and let off, when the rpms come down it sounds like it rattles, like a "ting ting ting".... something to that effect. When im driving/ WOT its fine or atleast i dont har it. what could it be???
I had the same sound. Turned out in my case to be one of the cat shields was loose.