Originally Posted by MrFatbooty
2.25"
You need to have flanges welded on to mate with the header and midpipe, and a bung for the oxygen sensor if your stock cat has one. A muffler shop should be able to do it for ya.
How much would that run me if i went to midas or some other local muffler shop? What would be the range? I keep finding Universal Carsound Magnaflow Converters on ebay for about $45, which is real cheap. And they offer to send it with or without the airtube, should i request the airtube or not?