FASS (T D08 150G) Titanium Series Fuel Air Separation System for RAM 2500/3500 Cummins Engine, 150 gph Consistent Engine Performance Increased Fuel Economy and reduces the effects of "Hot Fuel" Increased horsepower and improved all-weather performance Easier / Quicker starts, improved all-weather performance The Dieselstore.com is an authorized Fass Dealer, so get the maximum out of your product and warranty. We have specialists that can help with advice and installation.