Custom exaust

I was looking for anyone who has used custom mufflers on a durtech. Ive made a custom intake thats got me a few extra horse but I wont to open it up a bit.

i have a 1997 sable with a duratec. it has flowmaster 50's on it with 3" stainless tips. it sounds good. not ricey or too loud

I have had Summit Racing mufflers and Flowtech mufflers on my '99 Duratec, I love how they sound. The Summit Racing ones rusted out though, but what can I expect for $24 each?