Stage 1 Performance Chip for Kenworth - Boost HP & Torque | OBD2 Plug & Play Module
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Optimize "The World's Best": Performance Chip Upgrade for Kenworth
★ 4.7/5 from 3,222 Performance Chip Tuning reviews · Lifetime Replacement Warranty · Warranty-safe: unplugs for stock settings · Will not harm your engine
See dyno-proven results · Read customer reviews · Questions? Call 1-877-763-2804
Your rig is the King of the Road. Give it the royal treatment with increased power and maximized fuel efficiency.
You drive a Kenworth because you value quality, durability, and the legacy of "The World's Best." Whether you are running long-haul logistics in an aerodynamic T680, hauling heavy equipment with a rugged T800, or turning heads in a legendary W900, your truck is your livelihood. However, standard factory ECU settings on PACCAR and Cummins engines often leave power on the table and fuel in the tank. Our Premium Performance Chip and ECU Tuner Compatible with Kenworth is the business partner you need.
Engineered to handle the grueling demands of the transportation industry, this module optimizes your engine's management system. It fine-tunes the air-to-fuel ratios and timing to unlock the massive low-end torque required for heavy loads, while simultaneously smoothing out power delivery to reduce fuel consumption. Stop letting hills slow down your schedule and start keeping more profit per mile.
Why Your Fleet Needs This Upgrade
- 🚛 Dominate the Hills: Maintain your momentum. Our tuning technology optimizes torque curves to provide sustained power on steep grades. Keep your speed up and your gear shifts down, even when you are grossed out at 80,000 lbs.
- ⛽ Maximize Fuel Economy (MPG): In this industry, diesel is your biggest expense. By ensuring a more efficient burn, our chip helps your engine squeeze every mile out of every gallon. Drivers report noticeable MPG gains that add up to thousands in savings annually.
- ⚡ Smoother Power Delivery: Reduce driver fatigue with a more responsive engine. This upgrade sharpens throttle response and smooths out the power band, making the truck easier to drive in stop-and-go traffic or when maneuvering in tight yards.
- 🛠️ Zero Downtime Installation: You can't afford to have your truck in the shop. This chip features a simple plug-and-play installation via the OBDII port. Install it yourself in under 15 minutes at a truck stop or in your driveway—no mechanic needed.
Performance That Means Business
Imagine pulling a heavy load up the Rockies without the temperature gauge climbing or the speedometer dropping. Imagine looking at your fuel IFTA reports and seeing a consistent improvement. Our aftermarket Performance Chip is designed to optimize your Kenworth for the real world, balancing raw pulling power with the efficiency required to run a profitable operation.
Your Kenworth was built to work hard. Make sure it's working smart. Unlock the true potential of your powertrain today.
Technical Specifications
- Compatibility: Compatible with most Kenworth Models (W900, T680, T800, T880, T370, K100, and more)
- Engine Support: Works with PACCAR, Cummins, and CAT engines equipped with OBDII ports
- Installation Time: 10-15 Minutes (Plug-and-Play)
- Primary Benefits: Increased Torque, Horsepower, and Fuel Savings
- Safety: Dyno-tested safe for engine, transmission, and emissions components
Ready to haul more for less? Upgrade your Kenworth's performance today.
Estimated gains; results vary by vehicle, engine, modifications, and conditions. See our dyno results.
Frequently Asked Questions
Will it void my Kenworth factory warranty?
No. Your factory warranty stays intact. The chip never flashes or rewrites the ECU, and you can unplug it anytime to return your Kenworth to stock settings for dealer service.
How do I install it?
It plugs straight into the OBD2 port under the dashboard, usually near the steering column. No tools, no wiring, and no need to pop the hood.
Will it fit my Kenworth?
Check the fitment details on this page and pick your engine size and mods in the options above. Not sure? Call us at 1-877-763-2804 and we'll confirm the right chip for your Kenworth.
Fitment
Fitment
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Warranty
Warranty
All products are backed by our Limited Lifetime Warranty. We stand by our quality. [See terms]

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$99.95
- 5 stars: 3 (100%)
- 4 stars: 0 (0%)
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Completely satisfied the power gains were quite noticeable along with throttle response was significantly increased. Also I gained between 2-4mpg loved it. Will order the upper stages once I have more aftermarket parts
Thing is awesome gains all around like. It said. Didn't take a week. Love it getting more parts ordered so I can stage 2 and 3
I feel the power and it does run smoother