The brand-new Sentra SR Rear Muffler Assembly replacement combo kit. This great Sentra SR OE replacement Muffler Assembly designed for 2013-2017 model 1.8L engine. This Rear Muffler comes with Gasket And H/W. Our replacement Sentra SR Muffler are all brand new construction. So there are no expensive core charges or hassle. Originally muffler came with Exhaust Tip, To install this muffler. it has to be cut at appropriate location to install into this muffler.