When it comes to making your diesel perform Bully Dog has you covered! Bully Dog kits and components are what you need to wake your diesel up and give it enough power and torque to make the earth rumble.

Bully Dog performance programmers, exhaust systems, cold air intakes, gauges & pods, transmission upgrades, mechanical upgrades, and nitrous kits are all in stock at JEGS super low prices and ready to ship today! Bully Dog will make your truck the baddest on the block.