Custom header kits

I am working on a 2wd 96 dakota and sliding a big block 383 between the rails. I may stroke it out with planned 440 sourced heads.

Now it comes to exhaust.
Anybody know where I can get a decently priced kit to weld up my own?
I see Schumacher makes a header but seems smallish on tube size.
I could go fenderwell or even stock manifolds. But hoping to keep inner fenders and turning radius for normal street driving.
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Summit Racing, Jegs and Speedway all sell DIY header kits.