2017-2023 GM 6.6L L5D Duramax | Engine Tuning by PPEI
Was $919.94
SAVE 46%
$499.99
CARB EO Pending Gain 145+ HP and increase torque. Maximize efficiency and drastically enhance your truck’s throttle response. Level 1: Stock Level 2: +30 HP Level 3: +65 HP Level 4: +120 HP Level 5: +145 HP
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$919.94
$499.99
(-$419.95)