Product: Apexi N1 Style Hi-Flow Muffler-4" Burned Tip. Descriptions: Constructed of full T-304 stainless steel. This N1 style muffler will give you a deep growling tone with a burned tip and polished finish to give it that sporty look. Ultra fast exhaust flow due to its straight through design. Increased air flow will help your exhaust system breathe better and increase power on properly tuned systems. Because this is a universal muffler, the angle of the muffler can be decided at the time of the installation. Comes with a removable silencer to dampen the sound if needed.