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  1. #1

    Default Exhaust Upgrade for a 1999 Chevy Suburban K2500 4x4 with a 7.4L

    Well the thread title says it all, I have the above truck and want to replace my stock exhaust system with a better "flowing" system that does not "drone" everything out inside the truck.

    The truck has a K&N Cold Air Intake system and a Superchips Vivid Programmer, Oh I no longer need to have the emissions tested on the unit here in the state of Illinois.

    Again I do not want a loud system but something slightly above stock in sound would be ok.

    Thanks,
    Wags
    99 Suburban 7.4L 4x4
    K&N Cold Air Intake
    Superchips Vivid Programmer

  2. #2

    Default

    Do a cat-back exhaust with a flowmaster/magnaflow/glasss pack and dual tips (slash cut) at a 45 degree angle!

    2009 Chevrolet Silverado 1500 LT Z71 Crew Cab "All-Star Edition"

    Line-X'd Bed
    Line-X'd Custom Brush Guard(Heavy Duty)
    5.3L Flex Fuel
    Factory Black Running Boards
    BF Goodrich All-Terrain KO's(265/65R18)
    2" Rough Country Leveling Kit
    EGR In-Channel Vent Visors
    Exterior PLUS Package
    Interior PLUS Package
    K&N Drop-In Air Filter
    Bowtie Mud Flaps
    Cat-Back Dual Exhaust
    Black Bowties
    DeeZee Toolbox(Debadged)
    Diablo Sport Predator(AFM Disabled)
    ProFlaps
    Towing Mirrors
    Next Planned Mods
    Bigger Tires
    Aftermarket Rims

  3. #3

    Default

    x2....on what @ChevyBoy2009.....has mentioned above, below are link's on how Flowmaster, Maganaflow Mufflers Sound, that may be able to help you out,

    Magnaflow



    Flowmaster


    MIKE


    99"SILVERADO
    5.3 l 3.73 l G80
    BLACK BEAR CUSTOM TUNE
    SNUGTOP l COLORMATCH l KATZKIN










  4. #4
    Legend

    Join Date
    Feb 2008
    Location
    Red Wing, Minnesota, United States
    Posts
    3,356

    Default

    Manga flow had terrible drone in my suburban, I now have a flo-pro and very little drone just wish it was a little louder, but I only have a 1500 so can't speak about what will happen with the big block.
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual
    285/75/16
    ___________________________
    Jason

  5. #5

    Default

    If you wanted to go cheaper without the WHOLE cat-back...just go buy a flowmaster and cut your stock muffler out and replace it with the flowmaster....you will get a "better" sounding exhaust with out it droning out everything and cheaper on the wallet

    - - - Updated - - -

    But id still stick with a cat-back exhaust if money isnt an issue

    2009 Chevrolet Silverado 1500 LT Z71 Crew Cab "All-Star Edition"

    Line-X'd Bed
    Line-X'd Custom Brush Guard(Heavy Duty)
    5.3L Flex Fuel
    Factory Black Running Boards
    BF Goodrich All-Terrain KO's(265/65R18)
    2" Rough Country Leveling Kit
    EGR In-Channel Vent Visors
    Exterior PLUS Package
    Interior PLUS Package
    K&N Drop-In Air Filter
    Bowtie Mud Flaps
    Cat-Back Dual Exhaust
    Black Bowties
    DeeZee Toolbox(Debadged)
    Diablo Sport Predator(AFM Disabled)
    ProFlaps
    Towing Mirrors
    Next Planned Mods
    Bigger Tires
    Aftermarket Rims

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