Recently swapped the O>E>M> Muffler on my 2013 1500 Express 1500 5.7 HEMI with a more aggressive sounding Vortek Muffler. Do I need to have the computer reflashed for the increased flow? Doesn't seem like the truck shifts the same since swap.
Sat, 05 Nov 2022 20:24:58 +0000---------------------------------------------------------------------------
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