Unlock your 6.6L Duramax LMM's full power by installing any of our featured aftermarket modules and tuners! Gain additional horsepower, torque and throttle by upgrading your stock PCM to a performance-oriented tuner! Engineered to overhaul your truck's fuel curves and pressures, plus shift points for an enhanced gear-holding and optimized shift pressures, GM 2500HD/3500HD owners can expect an excellent increase in overall performance. Achieve improved injection timing/pulse and fuel rail pressure with a new aftermarket PCM Tuner from Alligator Performance. For even greater added power, check out our selection of Turbo Upgrades! GM Duramax Fitments: 2007, 2009, 2010 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.
Welcome to The Garage – your one-stop shop for all your car care and maintenance needs. From premium oils and filters to top-notch car care products, we have everything you need to keep your vehicle running smoothly and looking its best. Whether you're a DIY enthusiast or a professional mechanic, our carefully curated selection of high-quality products will help you take care of your ride like never before.
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