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Thread: Internal Disc slip-ons for 2011 FXDC + K&N air filter

  1. #1
    bluefxdc Guest

    Smile Internal Disc slip-ons for 2011 FXDC + K&N air filter

    Hi,

    I just got a new 2011 FXDC. All stock; I plan to replace the stock muffler with Supertrapp Internal Disc Series slip-ons 628-78088 (I think that is the part number for 2011 FXDC).

    1. Do I have to get a fuel mgmt system such as Power Commander or Fuelpak when installing the Internal Disc slip-ons?

    2. If I replace the stock air filter with K&N air filter HD-9608 and install the Internal Disc slip-ons, do I have to get a fuel mgmt system?

    3. What is the quietest set-up for the Internal Disc slip-ons?

    4. Are there any other Supertrapp models that I should consider for the nice deep thumping sound (but not too loud)?

    Thank you.

  2. #2
    bschultz Guest

    Default

    Quote Originally Posted by bluefxdc View Post
    Hi,

    I just got a new 2011 FXDC. All stock; I plan to replace the stock muffler with Supertrapp Internal Disc Series slip-ons 628-78088 (I think that is the part number for 2011 FXDC).

    1. Do I have to get a fuel mgmt system such as Power Commander or Fuelpak when installing the Internal Disc slip-ons?
    No

    2. If I replace the stock air filter with K&N air filter HD-9608 and install the Internal Disc slip-ons, do I have to get a fuel mgmt system?
    No

    3. What is the quietest set-up for the Internal Disc slip-ons?
    You can run the 8-10 discs (per side) with the Internal Disc S/O's and the sound level will be slightly louder than stock

    4. Are there any other Supertrapp models that I should consider for the nice deep thumping sound (but not too loud)?
    The 2:1 SuperTrapp SuperMeg is our best performer without being offensive to the ear...nice deep throaty sound.

    Thank you.
    *************
    Last edited by bschultz; 11-23-2010 at 07:11 AM. Reason: errors

  3. #3
    bluefxdc Guest

    Default

    Thank you for your rapid response.

  4. #4
    Join Date
    Nov 2007
    Posts
    27

    Default

    Quote Originally Posted by bschultz View Post
    *************
    4. Are there any other Supertrapp models that I should consider for the nice deep thumping sound (but not too loud)?
    The Super Elites or SE's, P/N 128-65117 and the FatShots, P/N 728-71576 are worth looking at.


    pretty sure the128- 65117's are touring mufflers and he is on a FXDC

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