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  1. #1
    Member
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    Nov 2018
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    Mississauga
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    N/A
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    95

    2010 stock 2 into 1 exhaust compared to 2 into 2

    The 2010 I am looking at has a stock 2 into 1 exhaust. Is that better than the stock 2 into 2?
    I know harley used to sell an SE muffler for the 2 into 1 for it, anybody have one?
    Thoughts?
    That 2 inti 1 SE had supertrapp disk pack available to make or race only.
    Anybody with experience with that?

    Sent from my SM-G930W8 using Tapatalk

  2. #2
    Prospect
    Join Date
    Aug 2019
    City
    bahama
    State
    North Carolina
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    20
    I will let you in a something, 2010 was the only year HD did a true 2 into 1 exhaust ( I am being told). Looking into why that is the case and I am also looking into if they will fit my 2008 street glide. I already have mufflers, just need the 2 into 1 header pipe. I suggest you by some good mufflers, (Thunder header IMO) slip on's and use your stock head pipes and retune. (also very cost effective). !! good luck!

  3. #3
    Member
    Join Date
    Jun 2017
    City
    pembroke pines
    State
    Florida
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    54
    Anything with a crossover will be a 2-1-2 and best for most applications for mid/low end. A 2-1 will make the most horsepower in the right applications. Keep that in mind.. A "true duals" 2-2 (no crossover) is probably the least productive exhaust in most situations
    Last edited by JokerToker; 08-05-2019 at 08:22 PM.

  4. #4
    Prospect
    Join Date
    Aug 2019
    City
    bahama
    State
    North Carolina
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    20
    just some good info for 2008 street-glide
    08HDSG_255 cams_2-1 exhaust-SE intake-PVT.
    bike has never ran this good, bottom end is really something, lose some top end with 2-1, but made the bottom end come alive "255 cams turn down around 4800 RPM anyway" so got power where I want it on a bagger. Used a 2into 1 header pipe and slid my thunder header muffler up on it and it sounds good also, "I am told". Made it a different bike and I tune it myself with Power vision tuner. Has never ran this god since I have owned it. 2 into 1 on the cheap with great performance.

  5. #5
    Prospect
    Join Date
    Aug 2019
    City
    bahama
    State
    North Carolina
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    20
    after careful testing and tuning, nothing beats a performance (low end) of a quality 2into 1 pipe, The D&D Fat cat has proven to be the best 2into 1 pipe for my application. Just not the most cost effective, because it cost $$$$ to go fast! LOL,,

  6. #6
    Founding Member TomA's Avatar
    Join Date
    Apr 2014
    City
    Battle Mountain
    State
    Nevada
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    1,782
    Quote Originally Posted by Steviedan View Post
    after careful testing and tuning, nothing beats a performance (low end) of a quality 2into 1 pipe, The D&D Fat cat has proven to be the best 2into 1 pipe for my application. Just not the most cost effective, because it cost $$$$ to go fast! LOL,,
    Running the fat cat on mine and love it. Makes all the difference with the head work I had done.


    2014 Mysterious Red Sunglo
    Stage 1 D&D Boss Fat Cat 2-1 exhaust FP3 tuner
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