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GM Performace Intake and Exhaust Dynoed

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My 2018 6.2 SLT has noise cancellation. I unhooked the drivers side mic above the roof grab handle since I added a larger subwoofer. 

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On 8/3/2019 at 5:25 PM, CDNSS said:

ANC is part of upgraded Bose system and only if bucket seats are ordered  available on my All Terrain  when I factory ordered it in 2017  Im sure on SLT too

Cool, thanks for the info. My SLT AT is a 2015 so I missed out I guess. Still a very quiet ride, was even quieter before my CAI. 

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