In this video, we highlight the step-by-step procedures for installing a FASS Fuel System on the L5P Duramax. By removing the water, air, and debris from your diesel fuel, the FASS protects the injection components and engine while improving performance and efficiency. Additionally, the DRASTICALLY improved fuel flow from the FASS supports all levels of performance modifications–from mild to wild! And as you might suspect, the installation procedures for L5P-equipped GMC Sierras are the same as

In this video, the FASS R&D team highlights all the steps required to install a FASS Diesel Fuel System on a 2017-2021 Ford Super Duty with the 6.7 Powerstroke diesel engine. Our fuel systems protect the Powerstroke's injection system by eliminating over 99% of the water, along with all of the air and debris down to 2 Micron. Supplying your Powerstroke with the purest fuel possible improves power, efficiency, and prolongs the life of EXPENSIVE injection components! Additionally, our fuel systems

Quick and easy way to find your FASS Installation Manual! Finding and downloading the correct installation manual for your FASS system is very important. Please follow these quick and easy steps to insure you have the installation manual that matches your specific FASS product. Watch Now ---> | FASS Fuel Systems

Check out this 3D animation for a look at the inner workings of FASS Diesel Fuel Systems! Have questions about filtering the fuel on your diesel engine? Shoot us a message! | FASS Fuel Systems

Install a FASS Fuel System WITHOUT lowering your fuel tank—say hello to the No-Drop Fuel System 👀 | FASS Fuel Systems