Injen 10-21 Toyota 4Runner Cold Air Intake System - Oiled Filter Engine Components>Gasket Kits BD differential covers have both

BD differential covers have both internal and external fins for extra cooling plus a sleek curved design

This Axle-Back system doe NOT have AFM valves but is equipped with NPP valves

This filter has been uniquely designed to work with the Injen Twist-Lock System

CORSA's Xtreme­­(TM) system is the loudest exhaust note we offer

reducing differential movement by filling the space between the bolt and bushing cup

Injen 10-21 Toyota 4Runner Cold Air Intake System - Oiled Filter Engine Components>Gasket Kits BD differential covers have bothIntroducing the all new Evolution sealed air intake system Part Number EVO2202C for the Toyota 4Runner and FJ Cruiser V6 4. 0L! This intake was designed using state of the art engineering tools and techniques to produce the finest quality kit that is unmatched in the aftermarket. From the one piece sealed housing that utilizes our all new Injen Twist Lock System to securely attach a massive 8 layer Oiled Cotton Gauze air filter in place all the way