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2023 6.6L GMC AT4 exhaust

88 Views 0 Replies 1 Participant Last post by  reb0957
I was about to pull the trigger on the SS AFE exhaust for my truck and then read a few post about horrible drone during acceleration at highway speeds. Can anyone point me to a single outlet exhaust that doesn't drone for this truck? Being on sale for Memorial day is a plus.
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