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Old 12-03-2025, 03:32 AM   #3
Warrior102
USCG Retired (MKC)
 
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Drives: 2018 2SS 1LE Black
Join Date: Aug 2018
Location: Cape Cod
Posts: 679
Not hearing it. Do you have the GM CAI, it comes with a throttle body spacer that has a protrusion into the airflow that is supposed to prevent whistling.
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