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.
2016 BMW X5M Long Beach Blue, M Perf parts, RKP diffuser, Akra Exhaust, Dinantronics Stage 2 with intake
2017 Alpina B7 xDrive Alpina Blue II, Caramel Individual Merino with Alpina Myrtle wood, full Stinger VIP