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The Edge Pulsar MD Inline Module is the ultimate performance solution for 2019–2023 GM Medium Duty 4500/5500/6500 trucks equipped with the 6.6L L5D Duramax, designed to deliver big power, towing confidence, and advanced control in one simple package. Built with a true plug-and-play design, the Pulsar MD installs in minutes using factory-style connections and can be just as easily removed, leaving no trace behind—making it a warranty-friendly upgrade that fleets and owners can trust.
Engineered with emissions-compliant tuning, the Pulsar MD provides safe horsepower and torque gains that improve throttle response, pulling strength, and overall drivability. Perfect for daily work trucks, heavy-duty towing, or long-haul applications, this module is built to maximize your Duramax without sacrificing reliability. With on-the-fly power adjustments available through integrated controls, drivers can instantly tailor performance to meet changing demands on the jobsite or the highway.
What sets the Pulsar MD apart is its standalone ECU-style technology and a wide range of built-in features that go beyond traditional inline modules. From advanced safety backdowns that protect your engine under load, to customizable performance settings designed for both work and play, the Pulsar MD offers unmatched control and peace of mind. Backed by Edge’s 20+ years of diesel tuning innovation, the Pulsar MD is the go-to choice for medium duty Duramax owners who want more power, smarter control, and reliability they can depend on.