Extract a deeper and more aggressive roar out of your M8 Bagger when you strap on a pair of Supersport 400 Slip-ons, With their shorter, sleek profile, these rocket packs boost the thrust of your M8 and perfectly accent the notched saddlebag design, Mid-length 4″ muffler bodies, Stainless rolled tips with machined billet end caps, Classic racing nameplate, Made in the U.S.A.