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Resonator and flapper

azwiley1

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Jun 30, 2026
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Location
Tucson AZ
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2022 Silverado LT Trail Boss Z71 5.3l
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Army Vet
Hey all,

I haven't added the DFM/AFM delete yet (on the fence about doing it) but was going to tape up the resonators and lock open the flapper.

Would I experience any issues such as a CEL, etc. in doing so? I've read thru as many posts as I can and am aware there "could" be some drone, but untaping one of the resonators should address that.
 
Nope tape them up and lock that flapper in the open position. It will sound so much better.
 
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