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  1. Engine/EFI/Drivetrain
    I'm am new to these forums.I have a 2013 kfx 450 with a full hmf exhaust and a lexx fuel controller (3 buttons setup) and I was wondering if anyone is running the same setup and what setting they were using.
  2. Dyno/Tuning Room
    Hi everyone. I searched the forum for lexx fuel controller settings and I am currently using a suggested setting of Mode 1... 3.5, Low rangemode 2...3.5,*mode 3... 4, Mid rangemode 4... 4.5,*mode 5... 6.5,*mode 6... 4.5 high RPMs. I have a fuel customs intake with modified airbox no lid, and a...
  3. Member Introductions
    Hi all, I'm new to this forum, the KFX 450 and tuning ATVs. I recently bought a used '08 KFX with a DMC dual exhaust system and programmer installed, and stock box/no lid with K&N filter. I just added a FCI Intake w/ box and don't know where to begin with the DMC settings. Programmer had...
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