Fratzog
Old Man with a Hat
You mentioned possibly doing some exhaust work. I have TTI's 2.5" dual system with cross over on the Monaco. Bolts right up to the factory HP manifold and comes with nice factory looking turn down tips. Just give them the manifold casting #s and they will send you the kit.
http://www.ttiexhaust.com/PDF/MfdCastingNos.pdf
http://www.ttiexhaust.com/PDF/MfdCastingNos.pdf