OK I think got it now the light bulb over my head just turned on. Thx

I currently own the Mag CB exhaust so I'm pretty sure that it's 2.25 from start to finsish.

The reason I was kicking around the idea is because I will be installing a DC Header and thought that might be a good time to add that to the list. I only have about 40K miles now on the car so I don't know if it will really be necessary (but what is when you modding)

DOH well if that's the case I'll just leave it alone then till I need to change it then.Thx for the info.

I haven't posted here yet but I have been an observer for some time now. i am thinking about installing a high flow cat on a 03 GT and wanted to know if anybody else had done this?if so how well did they work out and what part numbers did you use from Magnaflow for the installs? i currently have the...

Hope I am doing this right I'm still a neophyte at this (and no it doesn't mean that)...Is there still time for me to jump in on this deal?