Does anyone have the part # for the Si HDMI tip?

  1. MutatedMango

    MutatedMango Senior Member

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    Looking to get a muffler delete but want to keep the HDMI tip on bc I enjoy it. Does anyone have the part number for just the tip?
     
  2. amirza786

    amirza786 Senior Member

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    #2 amirza786, Jan 20, 2020
    Last edited: Jan 20, 2020
    I believe it's all one piece all the way to the CAT. The only way is cut the tip off the current muffler and weld it to the pipe. You are going to be in for droning if you do a muffler delete

    https://www.civicx.com/threads/2018-si-muffler-delete-drone.27691/

    upload_2020-1-20_13-48-5.png
     
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  3. REBELXSi

    REBELXSi Señor Member

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    I have a muffler delete and I still have the HDMI tip. You don't have to change the tip.
     
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  4. gtman

    gtman Senior Member

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    Here's the part you need:

    IMG_20200120_200030.jpg
     
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  5. COOL COUPE

    COOL COUPE Senior Member

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    I have the muffler delete! Zero drone at high way speeds ... Which is STUNNING! There is a harmonic disturbance at only a certain rpm ... Muffler shop welded in two stainless steel pipes ... I moved to SC but paid New York price at $220 ... Lost 35 pounds of weight ... Very nice mod ... Don't let them scare you off ...
     
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  6. amirza786

    amirza786 Senior Member

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    Boo!
     
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  7. REBELXSi

    REBELXSi Señor Member

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    It's pretty simple... as pictured. You literally just remove the mufflers and keep the old piping. Just need to link the pipes.

    2019-01-21 11.45.05-1.jpg
     
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  8. COOL COUPE

    COOL COUPE Senior Member

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    Silly question ... My apologies ... Is this single exit exhaust? Or true dual? I noticed that my exhaust guy cut the exit pipe on the stainless steel extension at different lengths as if this was an attempted to "phase" the pipe. When I look into the HDMI I see it clearly. My assumption though is that the sounds of both chambers are the same and this is just a fitament issue.
     
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  9. OP
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    MutatedMango

    MutatedMango Senior Member

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    Interesting, people above were saying to worry about droning. I guess not. Thanks!
     
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    MutatedMango

    MutatedMango Senior Member

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    Dude thanks a bunch for this, gonna show this to the shop when I go
     
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    MutatedMango

    MutatedMango Senior Member

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    Good question that I unfortunately can't answer :(

    The guys above are smart af though and probably know the answer to that
     
  12. REBELXSi

    REBELXSi Señor Member

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    There IS droning. It's only off throttle though and at certain RPM. When you're cruising, you can barely tell there's anything different about the exhaust.
     
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  13. REBELXSi

    REBELXSi Señor Member

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    #13 REBELXSi, Jan 21, 2020
    Last edited: Jan 21, 2020
    I'm not sure I understand the question because the answer seems obvious to me. The HDMI tip does have two exhaust exits mashed side by side. Take a peak inside yours. That being said, this exhaust system is most definitely not a dual exhaust system as there is only a single exit from the engine head and then the turbo and the majority of the exhaust system consists of a single pipe.
     
  14. amirza786

    amirza786 Senior Member

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    As @REBELXSi stated, a single exhaust pipe from the CAT splits at a T-junction and connects to the mufflers. See the pic I posted of the exhaust (Post #2)
     
  15. Oddwayne

    Oddwayne Senior Member

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    What rpm is your drone at
     
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