What size is IN/OUT pipe of Catalytic Converter?
#1
Rennlist Member
Thread Starter
![Default](https://rennlist.com/forums/images/icons/icon1.gif)
What is the pipe size going into, and leaving the stock catalytic converter? need a new one,, looking to go generic.. is it 2.5 inch or somehting?
thanks.
thanks.
#3
![Default](https://rennlist.com/forums/images/icons/icon1.gif)
On an NA (at least the couple I have measured) the in and out are just barely 2.25. The inlet side on the Y pipe just barely has enough meat that is 2.25 diameter to be able to weld on a new cat. AND make sure you weld it up on the car so you get the angle just right. Ask me how I know.
#7
Rennlist Member
Thread Starter
![Default](https://rennlist.com/forums/images/icons/icon1.gif)
Ugh ib ought the wrong one! Think they will take it back even though I filled otu the warranty card already? Maybe I jus twont put the warranty card back in the box.. they prob won't check!
![grr](https://rennlist.com/forums/graemlins/cussing.gif)
![grr](https://rennlist.com/forums/graemlins/cussing.gif)
![grr](https://rennlist.com/forums/graemlins/cussing.gif)
![banghead](https://rennlist.com/forums/graemlins/banghead.gif)
![banghead](https://rennlist.com/forums/graemlins/banghead.gif)
![banghead](https://rennlist.com/forums/graemlins/banghead.gif)