You guys suck now I want a set. $2999 is a bit pricey with cats. Anyone who has these installed please chime in. Looking for some experience with the catalyst version.
2013 BMW Alpina B7x SWB Alpina Blue, Dinantronics Stage 2 600hp, 612lb/ft
2013 BMW M6 Coupe Brilliant White Met. Akrapovic Evo full titanium, AMS Alpha DPs, Gruppe M intake, HRE S101s 20s, full BMW M perf parts, comp springs sway bars, Dinantronics Stage 2, 713hp 651lb/ft
2016 BMW X5M Long Beach Blue, M Perf parts, RKP diffuser (picked up 9-10)