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hey everone hey i have 2008 chevy duramax i have try two different types of filter upgrade i have tryed air aids system and a k and n drop in filter. the problem i am having is that it throws a mass airflow sensor code with both systems the air aid one worked for three months thenone day it started poping codes. i took it to the dealer and they said it was the intake system so they took it off and put factory back on and no codes any more. then like 4 months later i went to checker to buy a replacement filter and i saw that they had a k and n drop in filter so i installed the filter and like a hour after installing it started poping codes so i was able to return the filter and kand n said they are having problems with the filter design. so does anyone know of a filter that i can get were it wont throw a mass air flow sensor code. or do i need to get a kit and a programmer so it reflashes the mass air flow peramitors