Well are you running heater boxes or not? if not; I'd get a 1 1/2 merged header and choose a style of muffler that suits your tastes. Phatboys are noisey as fook, but look the best in my opinion.
Im running this combo on my 1956cc and i dont think you can beat it for price/quality. but like i said it's LOUD!
http://www.cip1.ca/ProductDetails.as...C%2DC10%2D6021
http://www.cip1.ca/ProductDetails.as...ode=C13%2D3701
The header comes raw but clean it well and throw some high heat paint on and it will look good for a season or so.
Alex