Got a link to the muffler you're using? For now I'm just straight piped, but have to have a backup plan in case the wife hates the noise...Glad to hear it! Also glad that I upgraded to 4” exhaust when I did the banks kit years ago I am using a diamond eye 4” PSD kit with a muffler. Should be able to just run what I’ve already got now that I have bigger turbo, IP, and injectors.