Scooby2.5 Posted July 21, 2006 Share Posted July 21, 2006 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 Link to comment Share on other sites More sharing options...
rc0032 Posted July 21, 2006 Share Posted July 21, 2006 Uppipe no Downpipe Yes (plus it wont fit your car, 2 short) Moved to pipes Link to comment Share on other sites More sharing options...
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