Parts, Accessories, & Performance Upgrades > Parts by Brand > Bully Dog

Bully Dog

Bully Dog performance ECU tuners are one of the most effective tools for boosting horsepower and torque in your Cadillac, Chevy, Chrysler, Dodge, GMC, Ford, Toyota, Infiniti, Jeep, Lincoln, Nissan, or Mercury vehicle. Bully Dog’s handheld and touchscreen programmers come with pre-loaded tunes for many 1996-2018 cars and trucks, including gas and diesel engines. Starting at only $399 with FREE overnight shipping, the BDX, X4, and GT Platinum tuners serve as perfect tools for instantly increasing versatility and power, while the GTX & GTX Watchdog offer expanded monitoring capabilities and a large 5-inch capacitive touchscreen display.

Diesel specific options include jake brake (exhaust brake to increase engine braking while coasting), torque converter locking, aggressive tow/haul (more aggressive shift schedule keeping the engine in its power band longer). Pre-loaded diesel tunes include performance, street, towing (shifting is towing centered), and trans only ( for heavy loads).

Gas and diesel shared options include axle ratio, tire size, idle speed, traction control, transmission shift points (WOT shift), shift pressure, disable rear 02 sensors, global spark (add or remove timing advance to entire RPM range), spark by rpm, WOT throttle (add/remove fuel at wide open throttle), fuel injector size adjustment, CMCV deletes, fan control, rev limiter, and speed limiter, Active Fuel Management disable (also known as DOD ), TPMS disable (tire pressure monitoring), MAF Mass Air Flow Sensor (select for aftermarket meters), and throttle sensitivity.

BDX
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