Stock replacement homologated Db killer for various V Performance E3/4/5 exhaust systems / mufflers. Fits amongst others 708816, 708817, 708828, 708829, 708830, 708831, 708832, 708833, 708834, 708835, 708836, 708837, 708838, 708839, 708840, 708861 708862 708863 708864 V Performance slip-on mufflers Note: Stock replacement for 708818, 708819, 708820, 708821 slip-on mufflers but will not make muffler homologated since these mufflers come without catalyst converter