Natural seeps occur at the seafloor as loci of fluid flow where the flux of chemical compounds into the ocean supports unique biologic communities and provides access to proxy samples of deep subsurface processes. Cold seeps accomplish this with minimal heat flux. While individual expertize is applied to locate seeps. such knowledge is nowhere consolidated in the literature. https://www.roneverhart.com/MagnaFlow-2000-Dodge-Durango-California-Grade-CARB-Compliant-Direct-Fit-Catalytic-Converter/