Calif emissions on ford 460 exhaust manifold?
[2]EGR tubes on 460ci exhaust manifold
What is it you are trying to ask?
This would be part of the AIR injection system, which sends fresh air into the manifolds at the exhaust port. This causes any unburned mixture coming out of the engine to ignite, reducing emissions of those unburned gasses. They're usually found on older vehicles. If yours is old enough, it may be exempt by now.
I'm not sure what the cutoff year is these days.
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