Can anybody tell me that this "W" shaped brace is called on the underbody of the 350. Where the red arrow is pointing too.

Also, are there any after market companies that have a replacement for this?

 

It's called the Tunnel Stay. Not much of a brace IMO. I don't recall seeing an aftermarket replacement. I think it's just there for aerodynamics more than anything.

 

The reason why i Ask is because, I have had my Z for about 2 years now, and when I originally bought it from the previous owner, there was damage to that piece, and I am looking to replace it.

It is though he ran over something at a high speed and it kind of ripped out of the bolts

 

Either find one in a junk yard or get a new one from a dealer. Only $135 here... CLICK

 

Common name is the "M" brace. Quess it depends how you look at it.