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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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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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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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FASS Fuel Air Separation System?

FASS stands for Fuel Air Separation System and is a combination diesel fuel lift pump and fuel filtration system that is designed to improve your diesel truck’s fuel mileage, engine performance and extend the life of your diesel injection system.

Our diesel fuel pump and diesel fuel filters are made in America in order to provide complete customer satisfaction. Regardless of the vehicle you drive, and how you power your life, FASS diesel fuel systems provide the cleanest fuel in order to extend the life of your favorite truck.

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