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Titanium Signature Series PLUS

Engineered for the diesel enthusiast, the FASS Titanium Signature Series PLUS is the ultimate in fuel system performance and protection. Designed to support high-horsepower builds as well as stock, this system delivers superior fuel flow, enhanced filtration, and consistent pressure—eliminating air and vapor that can wreak havoc on your injection system.


With its industry-leading filtration down to 2 microns and whisper-quiet operation, the Titanium Signature Series PLUS ensures maximum efficiency and long-term reliability for your diesel truck. Built tough in the USA and backed by FASS, this is fuel delivery—redefined.

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Titanium Signature Series PLUS

The FASS Titanium Signature Series PLUS delivers superior fuel performance for both stock and high-horsepower diesels. It maintains consistent pressure, removes air and vapor, and features 2-micron filtration, quiet operation, and U.S. construction for maximum reliability and efficiency.

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No-Drop Kits

Installing a Titanium Signature Series Fuel System has never been easier, or more affordable. Designed to simplify installation, No-Drop Kits include our Fuel Sump—which prevents the need for removing your fuel tank.


Better still, No-Drop Kits offer significant savings over buying a Titanium Signature Series Fuel System and Sump Kit separately! These Kits include everything you need for a simple, straightforward FASS installation—and nothing you don’t.

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No-Drop Kits

Installing a Titanium Signature Series Fuel System is now easier and more affordable with our No-Drop Kits. Featuring a built-in Fuel Sump, they eliminate tank removal and cost less than buying the system and sump separately—everything you need for a simple FASS install, nothing you don’t.

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Drop-In Series

FASS Drop-In Technology was developed to achieve industry-leading filtration with the simplest possible installation—making our Drop-In Series Systems a true bolt-in upgrade. If you’re mechanically inclined, a Drop-In Series Fuel System can be installed in your driveway in less than an hour! But don’t let the easy installation fool you—our Drop-In Series Fuel Systems offer the same world-class filtration as our Titanium Signature Series and Industrial Series lines.

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Drop-In Series

FASS Drop-In Technology delivers industry-leading filtration with hassle-free installation—making it a true bolt-in upgrade. Installable in under an hour, the Drop-In Series offers the same world-class filtration as our Titanium Signature and Industrial Series systems.

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  • Engineered. Machined. Installed. ?? Our Single Bolt Fuel Sump Kits make FASS installs easier than ever! #fassfuelsystems #dieselperformance #duramax #cumminspower #powerstroke
    Engineered. Machined. Installed. 🇺🇸 Our Single Bolt Fuel Sump Kits make FASS installs easier than ever! #fassfuelsystems #dieselperformance #duramax #cumminspower #powerstroke
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