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k&n air intake

  1. Roadhouse shorty and K&N intake

    VTX 1800 Tech Board
    I am woundering if I should buy the PCIII or another type of fuel regulator after installing the Roadhouse shorty's and the K&N air intake kit on my 07 VTX 1800 C. I am looking to see if someone has a simliar setup to speak to these changes. I realize adding the fuel reg will provide the best...
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