08 Nightster

Discussion in 'Sportster Models' started by Bigmike99, Dec 27, 2008.

  1. Bigmike99

    Bigmike99 New Member

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    :newsmile08:I got A thunderheader fo my nightster, going to start installing them tomarrow what I would like to know is the tquroue spects that important or will the extra grunts work? :newsmile08:
     
  2. Bigmike99

    Bigmike99 New Member

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    I have the upgraded Air system & the boxs and program for fuel flow
     
  3. blkonblk17

    blkonblk17 New Member

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    and nice sound