What they all said about the mirrors. I like mine, you have better visibility, too.
As far as the links, 5" is about as long as you can go if you want the bike low in the rear. And it depends on the undertail. The tire is going to rub out that far with the stocker. I had a Motorhead one on mine, similar to the pan Catalyst makes. I liked everything about mine except that it eventually cracked the factory tail section where the bolts mounted it