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Thread: EFI remap for change of exhaust on fat boy anniversary?

  1. #1
    Junior Member Just broke my cherry!
    Join Date
    Aug 2005

    EFI remap for change of exhaust on fat boy anniversary?

    EFI remap for change of exhaust on 2005 Fat Boy Anniversary?
    The bike came with the 95 ci/1550 cc engine (without the cams), and the high flow air filter. I want to change the mufflers from the stock to the screamin eagle pro II slip-fit mufflers.
    I have spoken to three different dealers and gotten 4 different answers as to if I need to remap and if so to what, since the only remaps available seem to be for the 95/1550 engine with cams.
    One dealer told me that they already put the map on for the 1550 (with the cams, and that is the closest I will get, so I do not need to remap).
    Harley themselves told me I need to buy a pile of race equipment.
    Anyone know what mapping it actually comes with? What mapping I need to get if any?
    As a side question, anyone know the difference between the screemin eagle slip on muffler part no. 80384-00 and the pro II part no 80-444-03?

  2. #2
    Member Biker madmax69's Avatar
    Join Date
    Aug 2005
    Europe (Home in Tennessee)

    Re: EFI remap for change of exhaust on fat boy anniversary?

    I use SE II slip ons. I checked out bout sets you listed and the only differences I notice were the price, the SE II logo, and the SE II are listed "for race only" (although they are they cheaper priced of the 2).

    Other than that I couldn't tell ya unless it's because Harley Davidson is stamped into the other ones, therefore the price increase.
    H-D = Hundreds of Dollars
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    '04 FatBoy

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