Rear Muffler with Valvetronic-System. Stainless steel tip with slant cut downwards with outer Carbon cover, color Chrom/Carbon. Slip-On rear muffler (exhaust clamps). For install of the Eisenmann Slip-On rear muffler the stock exhaust system has to be cut. Please read the instructions carefully before starting the installation. Rear muffler with EC Type-Approval Certificate. Rear muffler fit cars with and without gasoline particulate filter (GPF).