66 Barracuda owners-exhaust question

I have a 65 barracuda with a 360. As of right now, I took the original 273 exhaust manifolds and ported them to the 360 exhaust ports. They flow alright, but you can definitely tell that my camshaft is slightly capped in power. Headers really are the way to go, especially if you have any upgraded stuff in your car ie, intake, carb, ignition, cam etc. Routing the exhaust is also going to be a lot of fun. Make sure you don't get in the way of the pitman arm or any of your steering components down there.