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ecu upgrage

  1. Prospeed

    Prospeed ECU ROM tune service

    PROSPEED ECU ROM TUNE SERVICE! It is finally here after 10 months of development and hours and hours on the dyno we are offer dyno proven ecu upgrades for the 91 to 94 NSX. Auto and Manual. Here are the stages- stage 1 basic/filter and exhaust only 8 to 12 HP 8-15 lbs of torque stage 2...
  2. Prospeed

    91-94 Oem NSX 5 speed Prospeed Stage 3 ecu

    Sold! Thanks again Prime!