berkshire40 Posted May 10, 2010 Share Posted May 10, 2010 I'm installing a used Cobb catted downpipe. Would you clean, wire-brush, polish out any of it, especially the bell housing? Also I plan on installing with the grimmspeed gasket and cobb heat shield so feel free to comment on these as well. Thanks in advance. Mod list & photos _ Link to comment Share on other sites More sharing options...
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