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Thread: Catted and Divorced Downpipe Options for an '04 WRX (EJ205)

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    Catted and Divorced Downpipe Options for an '04 WRX (EJ205)

    Is it necessary to optimize the dowinpipe (DP) if I'm planning on running COBB AP off the shelf maps? If so, I like the Q300 exhaust and the engineering in both of these downpipes:

    Invidia Catted Divorced Downpipe - 2002-2007 Subaru WRX



    Invidia 02-07 WRX/STI Q300 STAINLESS STEEL ROLLED TIP CAT-BACK

    Last edited by LaszloT; 04-29-2014 at 09:05 PM. Reason: Updated images
    Laszlo - red '17 WRX
    The all-new Subaru WRX is coming. Pardon our dust.

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