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  • Which is more restrictive on a stock system?

    Stock cat converter or stock muffler? Just a quick question. Thanks.

    Brandon
    <a href=\"http://www.cardomain.com/id/y87inside\" target=\"_blank\">http://www.cardomain.com/id/y87inside</a>

  • #2
    I'd say the bigger problem is the stock catback. You get a much bigger performance jump from an aftermarket catback, then I think you would from just a High Flow cat.

    I'll be replacing my Cat when I put my headers on. So, then I'll have a full exhaust system.
    1997 Cayenne Red Metallic Camaro<br />3.8 V6 M5<br />SLP Cold Air Intake<br />Ceramic Coated Pacesetter Headers <br />Flowmaster American Thunder Catback<br />Full 3.42 & Disc Break Rear End Swap

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