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External Nitrous progressive

Discussion in 'FAST Support Forum' started by Tyler Lowman, Apr 18, 2017.

  1. Tyler Lowman

    Tyler Lowman New Member

    Joined:
    Jun 8, 2016
    I have the classic FAST EFI on my car, looking to add a progressive Nitrous controller but want to keep all my Nitrous stuff wired to the fast ecu so I can keep using it to pull timing etc.. just looking to see if anyone has wired in a progressive with the everything still ran through the ecu
     
  2. Fastmanefi

    Fastmanefi Active Member

    Joined:
    Jun 4, 2011
    Location:
    Sonora, CA
    Upgrade to the XFI which has 4 stages of Nitrous control built in.
     
  3. Tyler Lowman

    Tyler Lowman New Member

    Joined:
    Jun 8, 2016
    What would be the cost to upgrade? And would my existing wiring harness work or would I have to swap out everything?
     
  4. Fastmanefi

    Fastmanefi Active Member

    Joined:
    Jun 4, 2011
    Location:
    Sonora, CA
    You'd buy a new ECU and a main harness. Sensors, injectors and throttle body would all work as is.
     

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