 aftermarkets especially either don't have any holes drilled in them because they're a like a stainless muffler or something and they don't worry about the rust and or they're like you know hey maybe you'll buy another one if they fail down the road or they're not driven as much because it's a collector or something performance car so they don't drill them and they don't drip out so they end up coming out as it collects in there it ends up coming out the tip of the exhaust and