Mac Auto Parts 16236 Muffler Exhaust Pipe System MED453 554169 Fits 3.5 Pathfinder QX4 This is a ULTRA FIT BRAND made in Canada brand new OE style replacement exhaust system for a Nissan Pathfinder 3.5L 2 & 4 Wheel Drive Infiniti QX4 3.5L 2 & 4 Wheel Drive Please Note There is No Flex on Y pipe , CHECK THIS BEFORE CALLING OR ORDERING System includes 1x Part# MED453 3B21 P/S Extension Pipe 1x Part# 3B21 D/S Extension Pipe 1x Part# M3320 Middle Main Muffler 1x Part# 554169 Rear Muffler & Tail pipe 2x Part# 3 Gaskets 1x Part# 376 Gaskets 2x Part# MC4HD Clamps