The Best Tuning for L5P

Pulsar V3 is available now and our latest updates make it better than ever! Add up to 136HP & 293lb-ft TQ at the wheels without losing the efficicency and reliability you expect from your brand new truck. Available for 2017-2021 L5P Duramax, all that extra power is laced in with industry-exclusive features all in one device. Offering speed limiter adjustment, TPMS threshold adjustment, Tire Size calibration, gear ratio changes, manual regeneration mode, and even transmission relearn, Pulsar V3 offers everything the competition cant. We’ve also added the ability to read and clear diagnostic trouble codes. Unlike our competitors in the L5P Duramax market, Pulsar provides a turnkey product that works out of the box, with no modification to the factory ECM and real world power gains you adjust can on-the-fly.. We add more features than any other product on the market, with built in safety and comes at a fraction of the cost. There is no peer in the market when it comes to on-the-fly adjustable L5P tuning.

Pulsar for 2017-2021 GM 6.6L Duramax L5P Trucks

  • Up to 136 HP & 293lb-ft torque
  • Speed limiter adjustment 98-140 MPH
  • TPMS adjust 40-99 psi
  • Tire size 29-50.9”
  • Gear Ratio 2.0-6.99
  • Clear DTC codes
  • Manual regen function
  • Transmission relearn
  • Change 5 power levels on-the-fly using +/- cruise control buttons
  • Connects directly to ECU in engine compartment providing instant power
  • Built-in throttle sensitivity control for improved throttle response
  • High-idle user settings to adjust RPM during idle
  • Transmission slip backdown – power will decrease if slip is detected
  • EGT Backdown – power will decrease if EGTs exceed set limit
  • Provides the ability to recalibrate the speedometer for wheel/tire changes
  • Simple installation with no complex wiring harness or ECU flashing required
  • Ships with update cable

What Makes Pulsar Better?

Simply put: The Pulsar V3 for the 2017-2021 GM 6.6L Duramax is the clear-cut winner for the L5P Duramax tuning market! No more wires, no expensive ECU swaps, no fuel pressure boxes, and other lackluster products making bold claims that ring hollow after install (and after draining your savings account). Pulsar is hands down the best product to hit the market for L5P Duramax owners and is leading the way with a seamless install and performance gains. As the only product available that uses steering wheel controls to change power levels while driving, you’ll love the convenience of the Pulsar. Using live data to change and adapt, the Pulsar adjusts signals making it the best-in-class winner with features and POWER!
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    L5P Duramax

    GM's new L5P Duramax was a huge step forward in diesel technology! Our Pulsar V3 tuning module takes that progress a step further! This in-line module connects directly to the truck's ECM to offer you complete control over your driving experience. Pulsar will increase horsepower, torque, throttle response, correct speedometer for tire size, read and clear diagnostic codes, plus more all while keeping your L5P Duramax running clean, safe, and efficient!