Quote:
Originally Posted by wbain5280
Buy a new cat and replace the broken one. The matrix inside is broken. To confirm this, take the car to an emissions shop and have it checked.
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I agree, but if it rattles I would not bother having the emissions checked. It should not rattle. The cat material is a matrix, like a grid, of ceramic material and will break. If it is broken it will not work correctly and could easily plug the flow.
Tom W
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.
[SIGPIC]
..I also have a 427 Cobra replica with an aluminum chassis.