Need help identifying tunnel

[corblund]

Its not fabcraft or CMX. Pretty much down to thinking it was bent up at a machine shop, but if anyone has seen something like it before I'd appreciate a point towards what you think it might be.
P.S- its on a ZX chassis

 

[TheBreeze]

Looks home made/custom to me.

 

[corblund]

Looks home made/custom to me.

I'm thinking your right

 

[the sled shop]

possible cat with some tweaks