Go for a Pro-Spec exhaust. I'm in the same boat too trying to decide on an exhaust. Toss up between Pro-Spec or Greddy Ti-C.
As for a Civic exhaust, I think the axle back works. The mid-pipe is longer on the Civic.
Get the Greddy....it'll be..different...
"The individual has always had to struggle to keep from being overwhelmed by the tribe. If you try it, you will be lonely often, and sometimes frightened. But no price is too high to pay for the privilege of owning yourself."