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  1. IS300 500hp build?

    General Discussion
    Hey everyone! Just purchased my first IS300! Its a 2001 i was wondering if anyone would have any great build ideas. I am wanting around 500hp. I am already doing some water pump replacements and a new head gasket. Guy before me put new timing. I am wandering what turbo i should do and intake...
  2. Dont know where this plug goes

    General Discussion
    Hello! New to the forums and very new to owning an is300. So information about the car: I recently was given a 2003 is300 and I love the car but there have been somethings that Ive needed to either replace or fix due to the previous owners poor maintenance. which have been a little frustrating...
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