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  1. #1

    Hop UP Parts Questions

    What is the Next set up from 42lb Injectors & X Charger on a 2004 RXP 4 Tech without reflashing the ECM. Been Riding on the 42lb Inj & X Charger very nice little step Up from Stk Injectors & Supercharger. Just looking for the next step? Maybe some 50 Injectors and a little more Turbo Boost? Dont want to loose reliability.

  2. #2

    Join Date
    Feb 2012
    do you have the supporting mods?
    air intake? prop? intake grate? pump wedge?

  3. #3
    Chris I have RIVA Intake pipe & RIVA Thru the Transom Exhaust & 42 Injectrs & New X Charger Now..... Hits hard from about 6000RPM. Just looking for the next step.......Thanks jw

  4. #4
    Vern's Avatar
    Join Date
    May 2005
    Grand Haven, MI
    You would easily gain 250+ rpm adding a good intercooler to that setup. Very big bang for the buck mod.

  5. #5
    Fizzle Intercooler And Jims ride plate mod .......

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