Is it stock?

Here is some more pics. I found an old thread on here, and it appear that it is a full cobra exhaust. Question still stands though is this thing any better than the stocker?

DSCF1659.jpg


DSCF1658.jpg


DSCF1657.jpg


DSCF1656.jpg
 
ohh on a side note we went garage selling and found I guy selling a 400ex for 1200 bucks, with 2 sets of rears (one set of 20in. razyrs and another set of 20in. carlile trail tires.) I'm soo mad that I can't get it:(