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73-87 Chevy _ GMC Trucks => Performance => Topic started by: doctrdoo on June 22, 2003, 11:04:00 pm
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did your 85 k10 have a catalytic converter with the old exhaust and what did you do with it?i have a 85 c10 that i want to put headers and new exhaust on but am not sure if i can do it without getting new cat converters for the exhaust system.thanks
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My truck did come with a cat, which is layin in the back of my parts truck with my old exhaust now. I just put headers and dual exhaust on my truck, no cats. I also removed the AIR system-those pipes going into the exhaust manifolds. If you have emission testing in your area I suggest you get headers with the AIR system inlets, and put cats on your truck. As for me, emissions testing in CT wont be till the end of the summer, I will probably install high flow cats by then. Oh, and get headers that are coated, or have a high quality paint on them. My Dynomax headers are rusty after 5 months.
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in Va. there is no emission testing as of yet. thanks for all your help