Looking to ditch the stock muffler on your Bolt? Bassani has you covered with their 4" megaphone muffler. The muffler is equipped with a contrast cut end cap with Bassani's Machined Flutes end cap for a distinct look. Being that it equips directly to the stock header pipe calls for a headache free install. Black performance muffler with billet machined contrast cut flutes 4" Diameter megaphone Fits on Stock head pipes Comes with all necessary installation hardware