They used the stock muffler casings? looks like a lot of added weight.
Any dyno numbers? regardless, the tips look sick, so shoot me a Pm on pricing
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2016 LCI M3 - Mineral White, SO Extended, 6MT, Exec Package, 18" 513m.
2005 Evo VIII Time Attack: Garrett, Cosworth, ID, Vipec, Ralliart, ARP, Injen, ETS, Walbro, Kognition, OMP, Schroth