The tentative plan is to cut off the current 3" round collectors from the headers and come straight out to oval. The reason that will work is that I have a set of tri-y headers, so I have 2 2" round pipes side by side which will transition into a natural oval.
I want to flange at that point, where the original collector flange would be. We will run about 2-3' of oval back to tuck up above the frame rails and under the crossmember, then transition back to round for the rest of the exhaust. I'm only running as much as I need to in order to gain ground clearance, since I am scraping with my current 3" round setup.
So I'll need 1 oval flange point where the header will meet the intermediate pipe.
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