What size are the inlet and outlet pipes on the stock 1991 Camaro RS cat?
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What size are the inlet and outlet pipes on the stock 1991 Camaro RS cat?
I am just curious as to what the stock sizes of the inlet and outlet pipe on the stock cat on a 1991 Camaro RS 305 TBI L03. I know one side bolts into the muffler pipe but I still need to know what size they both are. I was thinking 2 1/4 but I am not for certain. Thanks so much guys, this will help me out tons.
Chris
Chris
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