rear section cat-back exhaust

i'm looking at the greddy evo2 which is they say is a cat back, but the description on the website is saying the rear section cat back thing. does that just mean axle back?

 

Yep, just an axleback, as it doesnt replace the midpipe, where the cat is, so technically, it IS an cat-back.

 

everyone dogs on all these axlebacks, but if you take the axle back off and measure the pipe its 2 1/4 which is pretty normal in most catbacks, so unless they move up to 2.5 and a better cat, the "catback " everyone is looking for is pointless. the S pipe and a high flow cat is where its at. I wish they would have flanged the other side of the second cat!