to adress the rear bumper problem, i am just giving an example of how a kit should flow with the body and the rest of the kit. The 240sx has a big ass so poor example, but you get the idea. I don't like the cyber because it has two exhuast cutouts and is straight down. I would rather have a back that looks kind of like the front, i will try to find an example. But other than that, i think the front works with the camry lines and the side skirts look good when they come up on either side of the door.
Here is more what i mean for the back, just with the cutout on the other side: