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Originally Posted by porsche986spyder
Yes, true. But do we really need 2(pair) sets? Our cars have 4 Cats. on them total. Makes no sence to me. Why not just 2? I've never heard of any other car having this many.  |
I presume the car needs them to pass emissions, as I don't see Porsche wasting any money on stuff they would not need. Got to keep those margins up!
I do know that some Mazda's used to have 4, but not sure if that is still so.
Thanks!
