FASS BLOG

Upgrade to FASS and enjoy 3× injector life, smoother performance, and unmatched 2-micron filtration for your class 8 truck, pickup, or diesel-powered equipment!

Learn the difference between the FASS Titanium Signature Series and Titanium Signature Series PLUS Fuel Systems! This quick article makes it EASY to understand.

The FASS Diesel Fuel Systems Cyber Monday Sale is live! Save 10% on fuel systems, filters, and accessories — no code needed. Shop now through 12/5 at FASSride.com.

The FASS Diesel Fuel Systems Black Friday & Cyber Sale is live! Save 10% on fuel systems, filters, and accessories—no code needed! Shop now through 12/5/2025.

The new FASS Connect Data Monitoring System is now available for presale! Preorder today for the exclusive $299 price before this limited-time offer is over!

FASS Diesel Fuel Systems Black Friday Sale – Save 10% on fuel systems, filters, and accessories now through Dec. 5th! Plus, preorder the new FASS Connect System!

Discover why the 165GPH FASS Fuel System is the #1 choice for 6.7L Cummins trucks! From bone-stock Rams to 900+hp monsters, the 165 is definitely worth a look.

Does your stock diesel truck need a FASS Fuel System? Yes! FASS Fuel Systems optimize horsepower, MPG, reliability and more through superior fuel filtration!