Mac Auto Parts 127142 Resonator Muffler Exhaust System Fits Altima 2.4L Federal Emissions ONLY Thi i a Brand New Reonator and Muffler than will fit the following Nian' Year and Model with Federal Emiion ONLY:Check your Emiion Decal under your hood before orderingit mut ay Federal Emiion if you ee California on the ticker thi i the Wrong ytem NIAN ALTIMA 2.4L WITH FEDERAL EMIION Kit Include:1x Part# 871 1t ection Extenion Pipe1x Part# 872 2nd ection Extenion Pipe 1x Part# 73 Rear Muffler1x Part# 340 Gaket2x Part# 35725 Rubber upport1x Part# mc2hd Muffler Clamp1x Part# 55260 Connector