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  1. Ford Focus RS COBB vs Borla Cat-Back

    Focus RS Discussions
    Hi Guys, I need some input on something about these two cat-backs. I have a Borla ATAK at the moment on my stock RS. I'm looking to get the Stage 1 tune from COBB installed. In the requirements section, it states "Optional: COBB Cat-Back". What I need to know is: Is the Borla ATAK is the same...
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