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We know alot of guys are doing this. We have come up with a prototype design that is much easier to install, lighter than "homebrews", and all while keeping the stock integrity of the tunnel.
The OEM Nytro tunnel is a bit weak as it is. Cutting the lip off, or pounding the lip down weakens the top surface of the tunnel even further. Unless there is an engineered rivet pattern, a "homebrew" flat plate will not redistribute the stresses within the tunnel correctly, and will displace these stresses to other areas of the tunnel resulting in cracking and/or deformation.
We are currently in the prototype stages of a tunnel block-off plate that will allow you to install over the factory lip, with no cutting or bending of the stock tunnel. It is also fabricated from a thinner sheet of aluminum, but reinforced with beads. The thinner beaded metal is as rigid as a thicker counterpart, while weighing less.
The OEM Nytro tunnel is a bit weak as it is. Cutting the lip off, or pounding the lip down weakens the top surface of the tunnel even further. Unless there is an engineered rivet pattern, a "homebrew" flat plate will not redistribute the stresses within the tunnel correctly, and will displace these stresses to other areas of the tunnel resulting in cracking and/or deformation.
We are currently in the prototype stages of a tunnel block-off plate that will allow you to install over the factory lip, with no cutting or bending of the stock tunnel. It is also fabricated from a thinner sheet of aluminum, but reinforced with beads. The thinner beaded metal is as rigid as a thicker counterpart, while weighing less.
If you are interested, please let us know!