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FASS Fuel Systems

FASS 15-16 GM 2500/3500 Duramax 165gph Titanium Series Plus Fuel Air Separation System

$798.95 $759.00 Save $39.95

SKU: F002 TSPC12165G

In Stock
In Stock
Ships by Jun 13
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Titanium Signature Series Plus is an advanced aftermarket filtration system designed for Duramax 6.6L diesel engines. It features ORB fittings, 6061 aluminum black anodized fittings, and black fuel lines for a clean installation. Rated at 165 GPH, it supports engines up to 1000 HP, offering improved 2-micron filtration, water separation, and FASS's patented air/vapor removal process to combat injector failure.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandFASS Fuel Systems
Part NumberF002 TSPC12165G

Videos

Watch BEFORE buying: Drop-In vs. Titanium Signature Series

Watch BEFORE buying: Drop-In vs. Titanium Signature Series
Jake's Ram 2500 gets a 165GPH Fuel System upgrade!

Jake's Ram 2500 gets a 165GPH Fuel System upgrade!
Installing a FASS Fuel System WITHOUT a sump kit!

Installing a FASS Fuel System WITHOUT a sump kit!
Upgrading your "Legacy" Titanium Series FASS Fuel System with our NEW Flow Through Regulator

Upgrading your "Legacy" Titanium Series FASS Fuel System with our NEW Flow Through Regulator
How to pick out a FASS Fuel System | Tech Tip Tuesday Ep. 1

How to pick out a FASS Fuel System | Tech Tip Tuesday Ep. 1
Fass 100 GPH vs 165 GPH - Does it matter? Is too much bad for my Duramax?

Fass 100 GPH vs 165 GPH - Does it matter? Is too much bad for my Duramax?
FASS Fuel Systems "Electric Heater Kit Installation"

FASS Fuel Systems "Electric Heater Kit Installation"
FASS or AirDog - You Decide After Watching This Video

FASS or AirDog - You Decide After Watching This Video
How to Install a FASS on the L5P Duramax!

How to Install a FASS on the L5P Duramax!

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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