Diablo Sport Sprint Module - $100

Always drive in V8 mode with a DiabloSport Sprint Active Fuel Management Module For GM vehicles from 2005 - present with an Active Fuel Management (AFM) Disables your factory AFM that drops your cylinders and reduces power Removes hesitation on acceleration and exhaust buzz caused by AFM activation Eliminates the need for reprogramming or re-flashing your ECU Modules install easily – just plug-n-play into the OBDII under your dash Use in conjunction with a tuner or on its own.
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GMC Chevrolet tuner