Stage 1 Performance Chip OBDII Module for Peterbilt

Keep the "King of the American Highway" running at peak efficiency. Peterbilt trucks are the backbone of the logistics industry, known for their iconic style and reliability. However, factory ECU settings on engines like the PACCAR MX or Cummins ISX are often restricted to meet fleet-wide averages, sacrificing individual performance and fuel economy. The GTE Stage 1 Performance Chip connects to your diagnostic port to optimize your rig's air/fuel ratios and timing—improving fuel efficiency and throttle response safely and instantly.

Maximize Your Bottom Line

For owner-operators and fleet drivers, efficiency is money. The GTE Stage 1 Performance Chip is designed to smooth out the power band and eliminate throttle lag, making heavy hauling easier on the engine and your wallet. By optimizing the combustion cycle, this module helps you get the most out of every gallon of diesel. It is 100% Plug-n-Play and completely reversible, ensuring no downtime for installation.

• Zero Cutting Required: Installs in minutes via the diagnostic port.
• Warranty Safe: Does not permanently overwrite your ECU or leave a digital footprint. Unplug it to return to stock settings immediately.
• Lifetime Warranty: Rugged durability backed by a full lifetime guarantee—built for the long haul.

Proven Performance Gains

Optimize your heavy-duty engine for the road ahead. The GTE Stage 1 Chip delivers tangible improvements that matter to truckers:

• Maximize Fuel Economy: Optimize engine efficiency to gain up to +4 MPG—a massive saving over long distances.
• Sharpen Throttle Response: Improve pedal sensitivity by up to 50%, reducing the hesitation when starting with a heavy load.
• Boost Horsepower: Unlock up to +20 HP to help maintain speed on inclines.
• Increase Torque: Gain up to +19.1 ft·lbs of torque for smoother pulling power.
• Better Drivability: Smoother shifting patterns and reduced engine strain during passing or merging.

Tailored for Peterbilt Models

Whether you are running long-haul or vocational routes, this upgrade supports the specific needs of your rig:

• Model 389 (The Icon): Enhances the classic driving feel with modern efficiency and responsiveness.
• Model 579 (Aerodynamic): Maximizes the fuel-saving design of the 579 for ultimate highway efficiency.
• Model 567 & 367 (Vocational): Provides smoother low-end power for worksites and heavy lifting.
• Smoother Idle: Stabilizes RPMs during rest stops and idling, reducing vibration and noise.

Drive smarter and save more with the GTE Stage 1 Upgrade.
Backed by a 100% Money Back Guarantee.