Has anyone replaced their secondary cats? | FerrariChat
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Has anyone replaced their secondary cats?

Discussion in '348/355' started by Intheflesh, Feb 12, 2010.

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  1. Intheflesh

    Intheflesh Formula 3

    Jun 2, 2006
    1,180
    Salem NH
    Full Name:
    John T
    #1 Intheflesh, Feb 12, 2010
    I was looking on fabspeed's and saw they have secondary catbypass pipes for the 355 (2.7 and 5.2)

    My car is a euro, and i already have my main cats deleted. The secondary cats are still in the car. What would i be gaining by replacing it? sound? performance?
     

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