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Originally Posted by porsche951  Does the AEM reomve the factory air silencer. |
Yeah I dont think the Duramax's have an air silencer. I also took off the big plastic piece that says 6.6 on it and replaced it with a 2" rubber cap. Probably didnt do anything but I can see more of the engine now... The AEM looks great, dont know if it gave me anymore power but I like it.