Help for Espero Double Exhaust

[merbi]

Heed help installing double exhaust on my '98 Espero, but I don't know how the layout should be. First thought was to change the rear muffler with a smaller one and cut the single pipe right after the fuel tank, divide it into two pipes leading to both left and right sides of the car, adding two smaller mufflers instead the big rear muffler, just like Ivan's Nexia but will be pisible on the Espero?