Bully Dog

Bully Dog Performance Tuners, Diesel Programmers & Gauge Monitors

Bully Dog builds the tools that unlock what your truck's ECU is holding back. Whether you're running a diesel pickup that needs more towing torque, a gas truck that's ready for a power bump, or a performance vehicle where the factory tune is leaving horsepower on the table, Bully Dog's performance tuners, programmers, and gauge monitors give you direct access to the parameters that matter. Plug in, tune up, and drive — no dyno time, no laptop required.

Performance Tuners & Programmers

Bully Dog's tuner lineup covers both diesel and gas applications with pre-loaded performance tunes engineered for specific engine and transmission combinations. Their GT Platinum and BDX tuners connect directly to the OBD-II port and deliver multiple tune levels — from economy-focused calibrations that improve fuel efficiency under light load to aggressive performance tunes that unlock significant horsepower and torque gains for towing, hauling, or performance driving.

Bully Dog tunes are developed on the dyno for each specific vehicle application — not generic calibrations adapted from similar platforms. The result is a tune that's optimized for your engine's actual fuel delivery, timing, and boost parameters, delivering real gains without the risk of over-aggressive calibration that can accompany generic tunes.

Diesel Performance

Bully Dog's diesel tuner lineup is where the brand built its reputation. For Cummins, Duramax, and Power Stroke diesel trucks, Bully Dog programmers deliver substantial torque gains that transform towing capability and throttle response. Diesel engines respond dramatically to tuning — fuel delivery, injection timing, boost pressure, and transmission shift points all have significant headroom beyond factory calibration, and Bully Dog's diesel tunes exploit that headroom safely and effectively.

For diesel truck owners who tow regularly, the combination of a Bully Dog performance tune and an economy tune gives you the flexibility to run aggressive calibration when you need the power and switch to an economy tune for unloaded highway driving — maximizing both performance and fuel cost over the life of the vehicle.

Gauge Monitors & Data Logging

Bully Dog's gauge monitor lineup provides real-time display of critical engine parameters — boost pressure, exhaust gas temperature, transmission temperature, fuel economy, and more — in a compact, dash-mounted display that integrates with the OBD-II port without permanent wiring modifications. For diesel truck owners running modified calibrations, EGT monitoring is a critical safety tool that prevents exhaust system and turbocharger damage under sustained high-load operation.

Applications

Bully Dog tuners and monitors are available for the most popular diesel and gas truck platforms — Ford F-250/350 with Power Stroke diesel, Ram 2500/3500 with Cummins, Chevrolet/GMC 2500/3500 with Duramax, and a wide range of gas-powered trucks and SUVs including F-150, Silverado, Sierra, Ram 1500, and Toyota Tundra. Vehicle-specific calibrations ensure correct tune parameters for your exact engine, transmission, and emissions configuration.

Why Ozkonic Kustomz

We carry Bully Dog because tuning is one of the highest-return modifications available for any truck — and Bully Dog delivers it in a package that any owner can install and use. Genuine Bully Dog product, vehicle-specific calibrations, and the performance your truck is already capable of. Unlock it.

Browse the full Bully Dog lineup below and find the right tuner or monitor for your vehicle. Questions about tune levels, compatibility, or emissions compliance? We're here.