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going relentless sports cat to decat, any gains?

Discussion in 'A3/S3 Forum (8L Chassis)' started by JUS3IN, Aug 17, 2013.

  1. JUS3IN

    JUS3IN polishing a silver turd

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    hey all as title really, i wanted both anyway and ive ordered the decat for a sound improvement mainly but will i see any power gains, the cat looks very restrictive!?
     
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  3. superkarl

    superkarl MAN OF STEEL

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    Just sound if anything
     

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