it looks a lot like the one on my truck, and it has a number of holes on the inside, a straight pipe would do better. But by that I mean getting rid of most of that assembly in the first place, and using a straight pipe on it as the accordion part is as bad as exhaust made like that...
Let's see if this link works...
http://www.trademotion.com/partlocator/ind...t=4&catalogid=2
That is the page with the N/A intake parts