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

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by Wags, Aug 23, 2013.

  1. Wags

    Wags New Member

    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.

    99 Suburban 7.4L 4x4
    K&N Cold Air Intake
    Superchips Vivid Programmer
  2. ChevyBoy2009

    ChevyBoy2009 Rockstar 4 Years 500 Posts

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

    99'HEARTBEAT Epic Member Staff Member 5+ Years ROTM Winner 1000 Posts Platinum Contributor

  4. vncj96

    vncj96 Epic Member 5+ Years 1000 Posts

    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.
  5. ChevyBoy2009

    ChevyBoy2009 Rockstar 4 Years 500 Posts

    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 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:great:

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