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  1. #1

    Smile 06 RXP with Riva stage1 needs an advice

    I already have a stage 1 with blow off kit but i am looking to add more power without going to stage 2 yet. I am thinking bigger injectors and ECU ??
    What’s your recommendation

  2. #2
    JFizzleJR's Avatar
    Join Date
    Aug 2005
    An ECU is like Stage III

  3. #3
    ARNYGOLLOTT3's Avatar
    Join Date
    May 2007
    Biloxi, MS
    thru hull exhaust, better air intake 4" , get external intercooler, and/or upgrade your supercharger that order...

    then consider ecu which is pretty much a stage 3 upgrade where you would need/want most of the previous mods first...meanwhile, depending on intercooler and s/c wheel choice you might need larger injectors

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