Diesel Dollars is Southern Diesel Supply's Loyalty Program. Purchasing with Us Earns you 1 Point for every 1 Dollar spent to use for future buys!
By ordering the FASS No-Drop Titanium Signature Series Fuel System (2020-2023 6.6L Duramax) you will earn 870 DIESEL DOLLARS in your SDS Fuel Tank!
FASS No-Drop Titanium Signature Series Fuel System for GMC/Chevrolet 2020-2023 Duramax 6.6L
Please Note:This Fuel System REQUIRES aftermarket tuning to be compatible with this vehicle.
If you drive a 2020-2023 GMC/Chevrolet with the Duramax diesel engine upgrading your fuel filtration and delivery will triple the life of the injection system, increase MPG & power, provide exceptional extreme cold weather operations and more.
That’s exactly why we engineered the Titanium Signature Series Fuel System, to outlast and outperform anything else on the market. This Fuel System is designed to provide the purest possible fuel to your Duramax and built to outlast it.
The No-Drop Titanium Signature Series Fuel System is designed for customers who want all the performance and protection of a FASS fuel systemwithout dropping the fuel tank. This system utilizes our 6061-T6 billet aluminumSingle Bolt Fuel Sumpwith a suction port and a return port utilizing one single hole in the bottom of the fuel tank. The FASS will draw and return its fuel to the sump, giving you an ultra-clean and simple installation.
Peace of Mind, Efficiency, Power
Supports Stock & Modified Duramax:Plenty of fuel for stock and modified GM/Chevy.
Injector Protection:Willtriplethe life of your injectors and injection pump.
Limited Lifetime Warranty:Register your FASS system, and you’re covered.
Advanced Filtration Technology
FASS doesn’t just move fuel - we filter it better than anyone:
Water Separation:3rd-party proven to eliminate over 99% of water.
Air/Vapor Removal:Eliminates entrained air and vapor that damages injection systems and reduces power/efficiency.
2 Micron Absolute Filtration - Microglass:Removes debris smaller than OEM filters can catch.
Mass Flow Return (MFR):Constantly “polishes” your diesel by sending unused fuel back through the filters, so your tank always holds clean, conditioned fuel.
Key Benefits:
Improves Reliability:Triples injection system life
Maximized Horsepower:Stronger throttle response, improved fuel atomization, restored injection timing, resulting in your engine becoming much more balanced
Optimized MPG:More efficient/complete combustion (results will vary)
Peace of Mind:The Extreme Water Separator acts as a fail-safe in cases of extreme fuel contamination, preventing thousands of dollars in repairs, not to mention down time
Extreme Cold Weather Confidence:Dependable starts and operation in extreme cold weather climates especially when coupled with the appropriate FASS Fuel Heater
Proven Reliability:FASS Fuel Systems have less than a .5% failure rate
Cleaner Operation:Improved fuel quality and combustion reduces DPF regens and soot output
Improvesfuel lubricity at least 10%
Key Features:
Fuel flow:Supports stock and modified 6.6 L Duramax up to 1500HP (by Horsepower selection)
2-micron absolute filtration rating:Captures finer debris than OEM filters
Removes over 99% of water from fuel (3rd party verified)
Patented FASS air/vapor removal process
1,000,000+ mile motor life
30,000-mile filter life expectancy
Limited Lifetime Warranty (with registration)
Optional Electric Fuel Heater Kits Available
Mass Flow Return (MFR):Continuously “polishes” fuel for max cleanliness
Whisper Technology:Industry’s quietest motor
Performance Radius Cuts (PRC):Smoother internal fuel flow, no sharp restrictions
Heavy-duty bolt-on steel mounting brackets
No-Drop Configuration:Includes our Single Bolt Fuel Sump Kit, drill a single hole and bolt the sump in place.
Why Choose FASS?
At FASS, we don’t rush products to market, we “Strive for perfection & settle for excellence”. That’s why our systems have a failure rate of less than .5%, and why diesel owners across the country trust us to protect their investments. Whether you’re daily driving your Duramax-powered GMC/Chevrolet or building horsepower, the FASS Titanium Signature Series Fuel System gives you peace of mind and performance you can feel.
Flow Rating:140GPH Stock to 700HP – NDTSC15180F140G True flow rating on diesel fuel at operational pressure. Not like our competitors exaggerated flow numbers on thinner fluids at 0psi.
Flow Rating:220GPH 700HP to 900HP – NDTSC15250F220G
Flow Rating:240GPH 900HP to 1200HP – NDTSC15290F240G
