Melissa, have you ever done a before and after on a 5.3? If so what can I pick up on a 93 octane tune! I working on saving up the cash now.
Melissa, have you ever done a before and after on a 5.3? If so what can I pick up on a 93 octane tune! I working on saving up the cash now.
Jeremy
2000 Sierra 4x4 Denali front, 5.3, 3/4 drop, 22 foose speedsters, roll pan, Cold Air, Cat-back.
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