Fleece Performance Auxiliary Heated Fuel Filter Kit 11-16 GM 6.6L Duramax LML MACS-514514 Gain 15% flow increase without

Gain 15% flow increase without even removing or replacing the CP3

This kit connects perfectly to your stock intake manifold or an early 99 intake plenum if you've already intercooled it

A faulty IAT sensor can cause a whole slew of problems in the way your Powerstroke runs because the ECM is not able to properly determine the accurate air temperature

we also offer Hellfire by the case of 6 or 12 for those that know how well it works and want to save some on the per bottle price and shipping costs

and an adjustable boost elbow for precise control of your airflow

Fleece Performance Auxiliary Heated Fuel Filter Kit 11-16 GM 6.6L Duramax LML MACS-514514 Gain 15% flow increase withoutThe LML Duramax from factory has a decent fuel filtration system but there is one major problem, no fuel heater. If you operate your truck in colder climates, you could run into fuel gelling issues. The Fleece Performance Auxiliary Heated Fuel Filter kit comes with everything you need to properly route, plumb, and filter your fuel on your 6. 6L GM Duramax LML. This kit replaces the factory fuel filter housing with a new filter base, integral high flow