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  1. #1

    Default cat back exhaust

    I have a 2007 GMC Sierra crew cab four wheel drive with 5.3 active fuel management engine. Is there a specific cat back system for this engine?

  2. #2


    I don't think that there is a specific system. It really matters on what sound you like. There are multiple systems out there that will work. Corsa, Borla, DynoMax are a few that come to mind

    1995 Silverado 4x4
    6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
    4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge

    2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system, Russell Braided SS brake lines, PowerStop Brake pads, PowerStop cross drilled and Slotted Rotors,
    2002 Silverado ext cab 2wd (Sold)
    2003 Yukon XL (Totaled)

  3. #3
    Master Mechanic zigger215's Avatar
    Join Date
    Sep 2011
    Fairbanks, Alaska


    Pikeys right, the only time it really matters is if you go custom from a shop. And even there the only thing that matters is ensuring you have an "H" pipe in the system so your back pressure is even per motor bank side..

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