aFe ProGuard D2 Fluid Filters Fuel F/F FUEL GM Diesel Trucks 01-12 V8-6.6L (td) 5x120 Using a wideband air/fuel controller

Using a wideband air/fuel controller during the tuning process allows you to monitor AFR and adjust tuning parameters to optimize them for maximum power and efficiency

torque and lowering EGT's

Genuine high-strength

"oil-free" conical performance filter provides maximum convenience and easy maintenance with excellent airflow

while its inverted top makes for more filter surface area

aFe ProGuard D2 Fluid Filters Fuel F/F FUEL GM Diesel Trucks 01-12 V8-6.6L (td) 5x120 Using a wideband air/fuel controllerPROGUARD Fuel Filters deliver increased flow and efficiency that are demanded in the Diesel environment. This fuel filter is designed for maximum filtration and minimal flow restriction. The PROGUARD Fuel Filters are direct OE replacement filters to ensure a proper fit and hassle free installation.