QD's offering is a titanium Tronco-Cono MAGNUM series muffler. The Ti silencer has a removable db-killer and includes a 2.5 year warranty. Also included is the stainless steel connector pipe and a carbon fiber heat shield manufactured directly by QD COMPOSIT. The total weight is only 6.17 lbs, with a 2.5 HP power gain. Euro4 HOMOLOGATION / APPROVED.