This exhaust muffler is made of stainless steel with better heat resistance and anti-corrosion. The exhaust muffler fit for 51mm/2 inch link-pipe or downpipe.If muffler is 38-51mm/1.5-2 inch,you need to mod part and welding to make it fit. The muffler exhaust come with complete accessories include DB Killer/Baffle, springs and hooks, stable clamps and universal connected pipe. The exhaust is designed for high performance to obtain max output and loud sound. It is easy to install, but Professional Installation is Recommended! If any question with the exhaust ,Please feel free to contact with us. Complete Accessories: 1 X Exhaust 1 X Clamp & Protective Rubber strip 1 X Universal Connect Pipe fit 38mm-51mm exhaust 2 X Springs