Mid muffler delete question

Discussion in 'Dodge Challenger SRT Hellcat' started by torpedovegas21, Feb 21, 2016.

  1. torpedovegas21

    torpedovegas21 Silver Member

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    So I had the mid mufflers deleted about a week ago, like a lot of other users, and it seems like I may have lost a little bit of torque.

    Now this could all be in my head of course as I have a bout 3700 miles on the car, I could just be getting used to it. Other than the obvious "There is something else wrong with my car" a mid muffler delete shouldn't have that effect on the performance aspect of the vehicle right?

    I am due for an oil change so while I'm at the dealer I'll have them do a once over for any other things that could be or not be causing it.

    Any of you guys who had had the mid muffler deleted please chime in, I am hoping its just psychological.
     
  2. JollyRoger

    JollyRoger Gold Member

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    Didn't notice a difference in mine other than the sound.
     
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  3. Sepipr21

    Sepipr21 Silver Member

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    After doing mine I thought I felt a difference, but now I don't think so. I just think I'm getting use to it.
     
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  4. sgoyal

    sgoyal Gold Member

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    I think the sound of muffler delete is messing up with your head. ;)
     
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  5. Sepipr21

    Sepipr21 Silver Member

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    I though that could be the reason, different sound.
     
  6. torpedovegas21

    torpedovegas21 Silver Member

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    Ok good. I'm glad I'm not the only one. That sound is intoxicating :D
     
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  7. 707 Cat

    707 Cat Rookie

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    Just did the mid muffler delete last Friday, sounds great. Don't notice any difference in power other than it sounds faster and wakes up the neighbors during cold start in the morning.
     
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  8. NorCaletch19He77Kat

    NorCaletch19He77Kat Silver Member

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    psychological--it is the equivalent of running track mode--end of story.

    20150903_195059.jpg
     
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  9. NorCaletch19He77Kat

    NorCaletch19He77Kat Silver Member

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    also all this crap about losing torque with exhaust changes is just that--crap. unless you get a check engine light, the injectors are pushing enough fuel.. the fuel management system can make minor changes as is needed.
     
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  10. torpedovegas21

    torpedovegas21 Silver Member

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    Was just a concern bruh, not that serious. Thanks for your input.
     
  11. rayzazoo

    rayzazoo DRIVESRT.COM Gold Supporting Member

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    Any hearing issues on long distance drives?
     
  12. torpedovegas21

    torpedovegas21 Silver Member

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    Not really. I mean you can tell it's louder in the cab but there isn't really any drone. I drove about 600 miles this past week and it was fine. If you have the radio on or podcast at 14+ it's damn near non existent.
     
  13. rayzazoo

    rayzazoo DRIVESRT.COM Gold Supporting Member

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    Nice! I think I'm going to measure the dB level with a free phone app (Decibal 10th by SkyPaw app) tomorrow. Could you or someone do the same as to compare the difference?

    Three measurements would be exterior rear at idle outside of the car, interior from driver seat idle, and interior from driver seat cruising at 70ish mph.
     
  14. hellzya

    hellzya Silver Member

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    On street setting you can very barley hear a difference while driving at highway speed.
     
  15. rayzazoo

    rayzazoo DRIVESRT.COM Gold Supporting Member

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    Here is the stock exhaust dB level (default mode) from the interior in various situations. Interior dB level for a WOT run was a peak of 94 dB. For reference, the SAE standard is 95 dB or lower to be in compliance. Exterior at idle was 80-85 dB. Granted, most would not care as this car sounds outstanding at WOT, but this is looking at it from an academic approach to understand Dodge's restrictions/reasoning to the exhaust. It is barely legal :)

    [​IMG]

    Accepted standards for recommended permissible exposure time for continuous time weighted average noise, according to NIOSH and CDC, 2002. For every 3 dBAs over 85dBA, the permissible exposure time before possible damage can occur is cut in half.
    [​IMG]
     
    Last edited: Feb 24, 2016
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