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CARB EO PendingPPEI's LML tuning provides 150+ HP gains over stock, towing effortlessly, and increases acceleration drastically. Tuning engineered for optimal efficiency.Level 1: +30 HPLevel 2: +60 HPLevel 3: +100 HPLevel 4: +120 HPLevel 5: +150 HP
Save on 2011 - 2016 GM 6.6L LML Duramax | Engine Tuning by PPEI with a PPEI Tuning discount code
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