Originally Posted by iON Performance Inc
ilmaestro - The mid-pipe needs to be modified with the supplied receptacle for the gasket to fit on the stock mid-pipe. All of our header packages come with this adaptor piece so that it can be used on other systems.
Thanks for the response. I do have some sort of donut/adapter, but it appears to be 2.5" to 2.5", not meant for the stock midpipe. This is all I got since I bought the setup used...