Exhaust system for a 1965 Dodge Dart GT

Often overlooked 273 4 barrel Dart "Charger" exhaust. Single but with 2 1/2 pipe to the muffler and 2 1/4 in tail pipe.

1965-67 Plymouth Barracuda V8 273ci 4 BBL Carburetor Single Exhaust w/Resonator Eliminator Pipe
That's fun stuff. Fit's nice, sounds great, and works well. Not cheap though. I wonder what mine would sound like without the resonator?