ProFlex DXI for 2020+ GMC Sierra and Chevrolet Silverado 5.3L

Introducing the ProFlex DXI Flex Fuel System Experience the ultimate in flexibility and performance with our plug-and-play flex fuel system, designed specifically for 2020-newer 5.3L Silverado and Sierra models. Our patented system has been rigorously tested on a large fleet of new Silverados, ensuring seamless performance and reliability. Easy Installation and Use DIY installation in just 15 minutes No tuning required - simply install and go Fill up with gas or e85 at any time Key Features: Plug-and-play complete solution - no additional purchases necessary Maximizes performance while protecting your engine Significant gains in horsepower and torque when running e85 Cooler engine, oil, and coolant temperatures when running e85 Better fuel efficiency than factory flex fuel systems Exclusive ColdStart Plus software for easy e85 starting on cold mornings Quick and easy uninstallation in just 5 minutes Made in the USA Does not void factory warranty - invisible to scan tools Enjoy the freedom to switch between gas and e85 with our ProFlex DXI Flex Fuel System. Order now and experience the power and flexibility you've been missing. Vehicle Fitment This System Fits: 2020+ GMC Sierra and Chevrolet Silverado models with 5.3L V8 Installation Note: Installation of the ProFlex DX is similar to our other plug and play systems, however there is a single pin connector that must be installed inline on an existing wire. If you are not experienced with crimping connector pins on wires, we strongly suggest professional installation. Click here for installation instructions. The ProFlex Commander product line is backed by a limited 12 month warranty. Learn more. With the new version 2 PROFLEX Connect app you can connect your smartphone to your PROFLEX Commander and run the automatic diagnostic, view your vehicle’s ethanol content in real-time and search for an E85 fuel station near you and navigate to the pump. Free for iOS and Android devices