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

nozzles flow at 60 percent over and the injectors have had internal calibration upgrades for added fuel delivery

Not recommended daily driven street applications

5L Turbo Diesel engine with enough fuel for 600 HP to 1000 HP

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,