2013 5.3 and exhaust help?
What do you suggest that is proven to not go crazy with the cylinder deactivation I have a 2013 1500 5.3 LTZ Z71 and I don't want some absurd loud exhaust and must be 50 state legal PS I'm new!
If you have any sort of piggy back i know that the afm can be disabled to where you stay in 8 all the time
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