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2015 Cascadia, Def Deleted, Exhaust sounds terrible

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Jmac1043, Nov 3, 2023.

  1. Nov 3, 2023 #1
    Jmac1043

    Jmac1043 Bobtail Member

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    Nov 3, 2023
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    As the title says. However, we are trying to fix it. They just straight piped back. It's loud and annoying and the driver is complaining ( It doesn't sound good at all ). I've searched High and low for a fix but got squat. This truck has a dd15. Can someone help me out?
     
    Jmac1043, Nov 3, 2023
    Jmac1043, Nov 3, 2023
    #1
    Thrasher28 Thanks this.
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  3. Nov 4, 2023 #2
    Thrasher28

    Thrasher28 Road Train Member

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    Calling EPA right now.

    (Exhaust shop can set you straight. Should be an easy fix for any shop. There's no DIY hacks for making a straight piped truck quieter without exhaust work)

    Also, running around with a screaming DD15 is just a 'look at me, I'm deleted' for DOT. Would advise getting it quieted down sooner than later. It's not a cheap fine. I would suggest making sure the shop you choose doesn't like to snitch either.
     
    Last edited: Nov 4, 2023
    Thrasher28, Nov 4, 2023
    Thrasher28, Nov 4, 2023
    #2
    Kyle G. Thanks this.
  4. Nov 4, 2023 #3
    uncleal13

    uncleal13 Road Train Member

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    The emissions box took the place of a muffler. With it straight piped it definitely will be louder.
    I haven’t heard of too many successful deletes on a DD15. Most of them wind up blowing up within 8 months.
    Too much fuel being injected into the cylinders will lead to a cracked liner.
     
    uncleal13, Nov 4, 2023
    uncleal13, Nov 4, 2023
    #3
    Last Call Thanks this.
  5. Nov 4, 2023 #4
    lester

    lester Midwest's #1 Feed Hauler

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    muffler???!!!
     
    lester, Nov 4, 2023
    lester, Nov 4, 2023
    #4
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