Pulsar for the 2017-2019 GM Duramax 6.6L L5P.

The Pulsar inline is an industry-exclusive technology, now available via Pulsar, has totally changed the game when it comes to adding performance and keeping the ECU on the truck. No mail-in unlocks, no cross-shipment, or hassle. Pulsar supplies instant power, on the fly, with no flash tuning. Holley Performance 801.476.3343 Edgeproducts.com