FASS Fuel Systems Drop-In Series Diesel Fuel System 2020-2023 GM (DIFSL5P2001) 2012 Although this may be true

Although this may be true for some

FASS Whisper Technology effectively and drastically reduces the sound levels of the Signature Series FASS Diesel Fuel System to a whisperwhile at the same time increasing fuel flow rates

The Titanium Signature Series diesel fuel System was engineered by FASS Diesel Fuel Systems to be the top performing

Enough fuel to support up to 1

150 RWHP with proper supportin modifications

FASS Fuel Systems Drop-In Series Diesel Fuel System 2020-2023 GM (DIFSL5P2001) 2012 Although this may be trueFASS Fuel Systems Drop In Series Diesel Fuel System 2020 2023 GM (DIFSL5P2001) Fits: 2020 2023 Crew Cab Short Bed L5P Duramax Part No: DIFSL5P2001 The FASS Drop In Series Diesel Fuel System was engineered by FASS to be the most effective filtration solution for the L5P Duramax. Backed by our limited lifetime warranty, the Drop In Series Fuel System protects your L5P Duramax from the issues caused by fuel contamination. Without proper fuel filtration,