Jeep 4.0 in 69 Barracuda

I think I understand what you're saying, but if you mean you plan to run two pipes from the manifolds out to the tail, that still means you'll be buying twice as much pipe (from manifold to back bumper, cuz the pipe comes in 8' sticks...and you typically will need a couple sticks per pipe) compared to if you went single 2.5" from a 2 into 1 just past the manifold...or am I still not thinking clearly here?

Yeah, that would mean twice as much pipe and 2 mufflers instead of one as compared to a single exhaust system. If I was to go with a single tail pipe, I may as well keep the stock single exhaust manifold. I just dont know if that is the look I am going for. I could still get a dual exhaust look out the tail pipe by using a sideways mount muffler such as whats found in a 80s Camero or Firebird where the pipe from the engine goes in the passenger side, and the 2 smaller pipes come out, one from the driver and the other from the passenger. This would not be a true dual exhaust system. But may be my solution. I am not really happy with the thought of running a single large diameter exhaust system. This is not a truck, but a Muscle car. Even if I am running a in line 6 and not a V8.

John