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Nello sent me those pics a few weeks ago of their new catted headers. I was hoping that they had more or less copied FabSpeed's design, however, the layout of the plumbing is horrible for flow around the cats. Notice the smooth gradual bends and reducers used on FabSpeeds headers, and then look at how the inlet on these goes straight into the cat with no reducer, and then the exit of the cat is offset from the center, with a very small end tank.
I may be wrong in terms of real world performance, but looking at the pictures these do not look like they will flow very well. On the flip side, its still better than the horrendous stock headers....
Patrick
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