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But am curious, I have installed a set of hyperflow precats-the original precats had shields as well, the hyperflow dont, and all is functionning...
So the purpose of the heat shield is?
So in theory, the shields can be removed and the manifolds polished-right?
Of a 512TR ,are they made of stainless steel-ie inside the aluminum heat shield?
Thks- much appreciated. And if it turns out to be the case,is it expensive.
When my car is cold- ie did not run for a few days- it will require two to three cranking before starting.That is, after a crank, it will fire up...