you guys probably heard this question a million times...but help me out anyway here:)
 

2004 blazer zr2...i need to know what the stock muffler diameter is? I want to do a flowmaster single in dual out i havnt quite decided which one yet its in between the 40 series and the super 44... which would sound better? help would greatly be appreciated thanks guys :)

Hello?? anyone...

No.

1. Because it's been a little over an hour since your first post. Did you do any research on your own?

2. Congrats on finding the right section, now look at the top where it says:

https://blazerforum.com/forum/header...em-here-14733/

Takes less effort than it did to post, then bump said post within 24 hours.