2000 mountaineer muffler size help

[NSGprdigy]

So I want to get a new muffler but I don't know what inlet and outlet size I need I think I need a 2.25 but not 100% sure for my stock exhaust system please help

 

[swshawaii]

Which engine?
Add Complete Vehicle Specs To Your Profile | Ford Explorer and Ford Ranger Forums - Serious Explorations

4.0L = 2.0" In/Out
http://www.walkerexhaust.com/catalog/walker-exhaust-systems/e-catalog-lookup/21192#tech-specs

5.0L = 2.25" In/Out
http://www.walkerexhaust.com/catalog/walker-exhaust-systems/e-catalog-lookup/21366#tech-specs

 

[NSGprdigy]

Which engine?
Add Complete Vehicle Specs To Your Profile | Ford Explorer and Ford Ranger Forums - Serious Explorations

4.0L = 2.0" In/Out
http://www.walkerexhaust.com/catalog/walker-exhaust-systems/e-catalog-lookup/21192#tech-specs

5.0L = 2.25" In/Out
http://www.walkerexhaust.com/catalog/walker-exhaust-systems/e-catalog-lookup/21366#tech-specs

4.0L