Stock 2001 SLT Yukon exhaust question

[elar17]

Just got the yukon and was going to put in an aftermarket muffler and noticed the stock muffler is single in dual out and y's back to one tailpipe. What is the point of the dual outlet?

 

[bigwhite4door901]

Never figured it out man my hoe had it like that it's weird


-bigwhite4door901