A mandrel bent 3-1/2" pipe that puts the air cleaner in the fenderwall for a cooler intake charge for added H.P. Does not include Mass Air Meter. Air cleaner is included. For 86-93 Mustang using 73mm MAXFLOW or 75mm Bullet mass air meter. AF-0104C$239.99 www.realspeedauto.com Ph.631-563-7325 All parts listed are for the Ford Mustang unless otherwise noted. Copyright 2018 Realspeed Automotive Inc. All rights reserved.