2017 - 2023 GM 6.6L L5P Duramax | Engine Tuning by PPEI
$920.00
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CARB EO Pending Gain 155+ HP and increases torque. Maximize efficiency and drastically enhance your trucks throttle response. Level 1: +70 HP Level 2: +100 HP Level 3: +125 HP Level 4: +155 HP
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