I am new to the site but as of yet I haven't seen too many posts on quiet 3" or larger exhaust. I have a fairly wild 400 bored 40 over and I don't need too much attention. Does anyone make anything quiet? I would prefer dual outlets if possible, but a single is okay. Anyone ran the 50 series delta flow by flowmaster? Thanks for the input

 

Sleeper huh? Then you probably should go with a Walker flow quiet muffler. Walker makes O.E replacement mufflers for our cars. Hooker, Flowmaster ect.. will be loud.

 

Thanks for the suggestion.
Well, I called Walker and they only make a 2 1/2" i-pipe which is what is on the car now. Not enough flow, any other ideas?

 

the SLP system is farily quite but once you get on it, it starts to come alive. i just put one on my 305 and it sounds sweet.