FASS Titanium Signature Series Fuel System For GMC/Chevrolet 2001–2010 Duramax 6.6L

Product Manuals

If you drive a 2001–2010 GMC/Chevrolet with the Duramax diesel engine, upgrading your fuel filtration and delivery can triple the life of the injection system, increase MPG and power, and provide exceptional extreme cold‑weather operation.

That’s exactly why we engineered the Titanium Signature Series Fuel System — to outlast and outperform anything else on the market. This system is designed to provide the purest possible fuel to your Duramax and is built to outlast it.

Peace of Mind, Efficiency, Power

• Supports Stock & Modified Duramax: Plenty of fuel for stock and modified GM/Chevy trucks.
• Injector Protection: Triples the life of injectors and injection pump.
• FASS Filtration: Optimizes combustion, restores horsepower, and maximizes MPG (results vary).
• Limited Lifetime Warranty: Coverage with product registration.

Advanced Filtration Technology

FASS doesn’t just move fuel — we filter it better than anyone:

• Water Separation: Third‑party proven to remove over 99% of water.
• Air/Vapor Removal: Eliminates entrained air and vapor that damage injection systems.
• 2‑Micron Absolute Filtration (Microglass): Removes debris smaller than OEM filters.
• Mass Flow Return (MFR): Continuously polishes fuel by recirculating unused fuel through the filters.

Key Benefits

• Improved Reliability: Triples injection system life
• Maximized Horsepower: Improved throttle response and balanced injection timing.
• Optimized MPG: More complete combustion (results vary).
• Peace of Mind: Extreme Water Separator prevents costly fuel contamination damage.
• Extreme Cold Weather Confidence: Reliable starts in harsh climates when paired with a FASS Fuel Heater.
• Proven Reliability: Less than a 0.5% failure rate.
• Cleaner Operation: Reduced DPF regens and soot output.
• Improves Fuel Lubricity: Increases lubricity by at least 10%.

Key Features

• Fuel Flow: Supports stock and modified 6.6L Duramax engines up to 1500 HP.
• 2‑Micron Absolute Filtration: Captures finer debris than OEM filters.
• 99%+ Water Removal: Third‑party verified.
• Patented Air/Vapor Removal Technology
• 1,000,000+ Mile Motor Life
• 30,000‑Mile Filter Life Expectancy
• Limited Lifetime Warranty (with registration)
• Optional Electric Fuel Heater Kits
• Whisper Technology: Industry’s quietest motor.
• Performance Radius Cuts (PRC): Smooth, restriction‑free fuel flow.
• Heavy‑Duty Steel Mounting Brackets

Why Choose FASS?

At FASS, we don’t rush products to market — we strive for perfection and settle for excellence. That’s why our systems maintain a failure rate below 0.5% and are trusted by diesel owners nationwide.

Whether you’re daily‑driving your Duramax‑powered GMC/Chevrolet or building serious horsepower, the FASS Titanium Signature Series Fuel System delivers peace of mind and performance you can feel.

Compatibility & Flow Ratings

• Compatible With: 2001–2010 GMC/Chevrolet Duramax 6.6L
• 100 GPH: Stock to 600 HP – TSC10100G
• 165 GPH: 600 to 900 HP – TSC10165G
• 250 GPH: 900 to 1200 HP – TSC10250G
• 290 GPH: 1200 to 1500 HP – TSC10290G
• Warranty: Limited Lifetime (with registration)

Vehicle Fitment by Year

• 2001 GMC Sierra 2500HD – 6.6L Duramax
• 2001 GMC Sierra 3500HD – 6.6L Duramax
• 2001 Chevrolet Silverado 2500HD – 6.6L Duramax
• 2001 Chevrolet Silverado 3500HD – 6.6L Duramax
• 2002 GMC Sierra 2500HD – 6.6L Duramax
• 2002 GMC Sierra 3500HD – 6.6L Duramax
• 2002 Chevrolet Silverado 2500HD – 6.6L Duramax
• 2002 Chevrolet Silverado 3500HD – 6.6L Duramax
• 2003 GMC Sierra 2500HD – 6.6L Duramax
• 2003 GMC Sierra 3500HD – 6.6L Duramax
• 2003 Chevrolet Silverado 2500HD – 6.6L Duramax
• 2003 Chevrolet Silverado 3500HD – 6.6L Duramax
• 2004 GMC Sierra 2500HD – 6.6L Duramax
• 2004 GMC Sierra 3500HD – 6.6L Duramax
• 2004 Chevrolet Silverado 2500HD – 6.6L Duramax
• 2004 Chevrolet Silverado 3500HD – 6.6L Duramax
• 2005 GMC Sierra 2500HD – 6.6L Duramax
• 2005 GMC Sierra 3500HD – 6.6L Duramax
• 2005 Chevrolet Silverado 2500HD – 6.6L Duramax
• 2005 Chevrolet Silverado 3500HD – 6.6L Duramax
• 2006 GMC Sierra 2500HD – 6.6L Duramax
• 2006 GMC Sierra 3500HD – 6.6L Duramax
• 2006 Chevrolet Silverado 2500HD – 6.6L Duramax
• 2006 Chevrolet Silverado 3500HD – 6.6L Duramax
• 2007 GMC Sierra 2500HD – 6.6L Duramax
• 2007 GMC Sierra 3500HD – 6.6L Duramax
• 2007 Chevrolet Silverado 2500HD – 6.6L Duramax
• 2007 Chevrolet Silverado 3500HD – 6.6L Duramax
• 2008 GMC Sierra 2500HD – 6.6L Duramax
• 2008 GMC Sierra 3500HD – 6.6L Duramax
• 2008 Chevrolet Silverado 2500HD – 6.6L Duramax
• 2008 Chevrolet Silverado 3500HD – 6.6L Duramax
• 2009 GMC Sierra 2500HD – 6.6L Duramax
• 2009 GMC Sierra 3500HD – 6.6L Duramax
• 2009 Chevrolet Silverado 2500HD – 6.6L Duramax
• 2009 Chevrolet Silverado 3500HD – 6.6L Duramax
• 2010 GMC Sierra 2500HD – 6.6L Duramax
• 2010 GMC Sierra 3500HD – 6.6L Duramax
• 2010 Chevrolet Silverado 2500HD – 6.6L Duramax
• 2010 Chevrolet Silverado 3500HD – 6.6L Duramax