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Does STI have CATS in the up pipe and down pipe from factory?


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I looked and didnt think the up pipe has a cat but not sure about the factory down pipe.


I have an outback and I want to install an up pipe and down pipe and figure if the factory sti didnt have cats in certain areas why do i need them, its just more cost.


if i order a up pipe from cobb and and a catless downpipe from cobb will it be basically the same as the sti from the factory as far as cats go

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