Or...
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C4 Corvette shorty headers. Found them for $10 bucks at a swap meet. Took the heat shields off and wrapped them. Turned them upside down to clear the power steering box. Bought a bunch of 2.5" mandrel bends from Summit racing and welded up a dual exhaust system, which exits in front of each rear wheel. It's wrapped so that things don't start melting in the engine bay.
Looks a little odd, but it works very well.
By the way, this is a Chevy 283. Rochester Quadrajet carb. With 3.50 gears in a Dana 60 rear and the original SM420 transmission, it gets 20 mpg on the highway.
