Glasspacks, no way...I don't like the sound of those. I am only removing part of the pipe to do some work underneath of my truck. When I had my exhaust angled back to put on my tips it was routed to a certain way thru the spare tire rack and therefore the pipe needs to come out. It's a good portion and I only wanted to know if going back to 2.25 piping will make it quieter.
I had the 50 series for 3.5 years with 2.25 piping and I wanted something with more sound...I stepped up to the OG 40 & 2.5 piping. I tried the 40 deltaflow last year and did not care for it much, I won't put the 50 back on just way to quiet for me. Maybe I'll try 2.25 with the original 40 and who knows I may just like the way it sounds.