4" RPI Intake Replacement FillersHere is all the Replacement Filters for RPI 4" intake systems.

LB7/LLY/LBZ 2001-2007

Heavy-Duty Billet Aluminum Inlet and Outlet

Check out our installation manual for a list of parts that are included with this kit

3L Powerstroke Parameters Monitored:Accel Pedal Position

• Printed in the USA

LB7 LLY LBZ LMM LML

All piping is crafted here in the USA

This material is heat-treated to provide a tensile strength in the 200

Equipped with 3/4-inch external cooling fins to reduce oil temperature

Descriptor: Cantilever to Eye Mounting Type

full ARP Bolts and Studs included

If your fueling demands exceed what the stock CP3 and CP4 are capable of providing