Longtubes too loud, need help with muffler

Discussion in 'Engine & Drivetrain Tech and Issues.' started by a-fuso, Aug 20, 2016.

  1. a-fuso

    a-fuso GMC Owner

    Messages:
    1,856
    Okay so I'll run through the current setup, calspped long tubes with 3" ory, 3" bullet after the y into 3.5" piping to a Aero turbine muffler, non resonated, to 4" tailpipe over the axle. The truck has always been this loud but now with 4.56 gears and a 2500 stall converter its unbearable when accelerating. I love how it sounds now, just would like suggestions for a larger/quieter straight through design muffler. Don't want a magnaflow, not a fan of their sound.

    I know some of you guys have similar setups, looking for some help.
     
  2. Khaos

    Khaos Bed Dent Club Founder

    Messages:
    20,304
    One of the big Gibson round mufflers should quiet it down a bit, I'd look into them. Sounds decent too. IIRC that's what Eddie has on his
     
  3. Tylers88

    Tylers88 3 GM's and a Jeep

    Messages:
    6,744
    Totally different setup but backs up Chris's comment one friend in high school had Gibson catback on his suburban and another friend had magnaflow on truck with same engine and Gibson sounded better of the 2.
     
  4. a-fuso

    a-fuso GMC Owner

    Messages:
    1,856
    What model Gibson muffler would you suggest?
     
  5. Silver04

    Silver04 DA04

    Messages:
    1,350
    Have you looked into Borla? I have pn #40085, it's a 15" case but iirc they have bigger options.
     
  6. a-fuso

    a-fuso GMC Owner

    Messages:
    1,856
    No I haven't, I've always been with the loudest exhaust possible, but the converter is too much now. Makes my ears hurt taking off around town and I can only imagine what will happen if I tow a trailer now.

    Can you text me any videos of your truck's sound please?
     
  7. Ginger

    Ginger Bubbles

    Messages:
    23,744
    you want something that is long. i know magnaflows the longer it is the quieter, i would assume the same with borla, corsa, etc.
     
  8. Slow05CC

    Slow05CC Avery@texas-speed.com

    Messages:
    168
    My truck has 1 7/8 Long Tubes + Off-Road Y + 3" exhaust into a 10x5x24 Bassani muffler. It has great tone through the RPM band and it is nice and quiet at HWY speeds. It has a light drone with a turn down, and very little drone with a tail pipe.

    -Avery
     
  9. a-fuso

    a-fuso GMC Owner

    Messages:
    1,856
    Thanks guys, I'm gonna see what sound clips I can find. I'm not even daily driving the truck right now because it's that loud.
     
  10. Jared

    Jared Administrator Staff Member

    Messages:
    20,543
    Hooker aerochamber ftw
     
  11. Adjusted

    Adjusted Super Moderator

    Messages:
    3,608
    I have the exact same setup as you until the muffler. I have a 22" di/do magnaflow and its still too loud for me too. Let me know what you find, i kinda gave up since its not really a dd anymore.
     
  12. a-fuso

    a-fuso GMC Owner

    Messages:
    1,856
    Well don't get me wrong I still want it loud, just not deafening loud like it is now, so that I still might be able to take a road trip. Planning on buying all terrain tires soon too so, road noise should go down.
     

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