
- Extreme Performance Capacity: Rated at 240 gallons per hour (GPH), providing sufficient, consistent fuel volume for applications ranging from 900 to 1200 HP.
- Next-Level Filtration: Features an improved filtration rating of 2 Microns and a built-in water separation filter that, along with FASS's patented air/vapor removal process, significantly extends the life of your injectors and injection pump.
- FASS Whisper Technology (FWT): Achieves the quietest operation on the market through precision engineering, including radius cuts, tighter gear tolerances, and a military-spec coating on the aluminum base.
- Performance Radius Cuts (PRC): This advanced machining technique creates smooth-flowing cuts within the housing, preventing restrictions and eliminating the reintroduction of air and vapora critical advantage over competitors' square fittings.
- Mass Flow Return (MFR) Technology: Continuously polishes your fuel by cycling and cleaning it multiple times, guaranteeing your engine receives the freshest and cleanest fuel possible at all times.
- Simplified Installation: Utilizes Bolt On Bracket Mounts that secure to factory bed bolts (no drilling/welding) and includes ORB (O-Ring Boss) Fittings, 6061 Aluminum Black Anodized Fittings, and black fuel line for an ultra-clean, professional look.
- Efficiency Benefits: Users typically see fuel mileage improvement, smoother idle, improved cold weather starts, and a filter life expectancy of 30,000 miles.
- Durability and Warranty: Backed by a Limited Lifetime Manufacturer Warranty.

If you own a GM 6.6L Duramax LP5 and demand uncompromising performance up to 1200 HP, your stock fuel system is a liability. The FASS TSPC13290F240G Titanium Signature Series Plus 240GPH Fuel System is the essential upgrade, engineered to be the next evolution in clean, high-flow fuel delivery. This system doesn't just push fuel; it purifies it, protecting your entire injection system - the heart of your Duramax - from premature failure.
Extreme Performance Capacity: Rated at 240 gallons per hour (GPH), providing sufficient, consistent fuel volume for applications ranging from 900 to 1200 HP.
Next-Level Filtration: Features an improved filtration rating of 2 Microns and a built-in water separation filter that, along with FASS's patented air/vapor removal process, significantly extends the life of your injectors and injection pump.
FASS Whisper Technology (FWT): Achieves the quietest operation on the market through precision engineering, including radius cuts, tighter gear tolerances, and a military-spec coating on the aluminum base.
Performance Radius Cuts (PRC): This advanced machining technique creates smooth-flowing cuts within the housing, preventing restric[...]
- Extreme Performance Capacity: Rated at 240 gallons per hour (GPH), providing sufficient, consistent fuel volume for applications ranging from 900 to 1200 HP.
- Next-Level Filtration: Features an improved filtration rating of 2 Microns and a built-in water separation filter that, along with FASS's patented air/vapor removal process, significantly extends the life of your injectors and injection pump.
- FASS Whisper Technology (FWT): Achieves the quietest operation on the market through precision engineering, including radius cuts, tighter gear tolerances, and a military-spec coating on the aluminum base.
- Performance Radius Cuts (PRC): This advanced machining technique creates smooth-flowing cuts within the housing, preventing restrictions and eliminating the reintroduction of air and vapora critical advantage over competitors' square fittings.
- Mass Flow Return (MFR) Technology: Continuously polishes your fuel by cycling and cleaning it multiple times, guaranteeing your engine receives the freshest and cleanest fuel possible at all times.
- Simplified Installation: Utilizes Bolt On Bracket Mounts that secure to factory bed bolts (no drilling/welding) and includes ORB (O-Ring Boss) Fittings, 6061 Aluminum Black Anodized Fittings, and black fuel line for an ultra-clean, professional look.
- Efficiency Benefits: Users typically see fuel mileage improvement, smoother idle, improved cold weather starts, and a filter life expectancy of 30,000 miles.
- Durability and Warranty: Backed by a Limited Lifetime Manufacturer Warranty.