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  1. #1

    Join Date
    Jul 2007

    Upgrade to a X charger.

    I have a 2006 rxp. I am thinking about swapping out oem SC, for a 2008 X charger. What mods would I have to do?

  2. #2
    home of the dislexic fingers breon's Avatar
    Join Date
    Aug 2007
    port st lucie fl
    go to the performace section and search around it seems to come up once a week ......basically 2 choices..either stock ecu 42 # injectors.... if you are running an aftermarket intercooler you will also need a rising rate fuel regulator .....or the riva ecu set up and 50# injectors you will need to upgrade your valve train to run the riva ecu... and a new prop a rxp you will need a 15/20 ...see sig is a OMG difference over stock

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