Samson True Dual Exhaust System 39in. Longtail Mufflers S3-472 Features a full-diameter rear pipe for optimal flow and performance Headpipes are covered with 220degree heat shield to mask any discoloration; weigh less and sound better than double-wall pipes with the same shielding results 2-1/4in. muffler bodies with integrated, removable, fuel-injection-friendly baffles Unique removable longtails, which are 2in. longer on the bottom than standard fishtails Mounting brackets and hardware included