VinhZXT Posted November 7, 2006 Share Posted November 7, 2006 Hi All, I found this quote from Stahl header "Headers coated with ceramic coatings or flame spray coatings from specialty coating companies are not weldable. Even after we go to great pains to remove the coating, the material does not weld properly. Therefore, ALWAYS FIT CHECK a header before it is sent for coating. Coated headers are not returnable under any circumstances." Anyone else has tried this before and got better results? I am asking this because I am about to modified a ceramic coated side pipes I got from FFCobra. Thanks for any inputs. Vinh Quote Link to comment Share on other sites More sharing options...
jt1 Posted November 7, 2006 Share Posted November 7, 2006 You can weld on them, I had to do some repairs to mine after I damaged them. I used a sandpaper disc to remove the coating, but some of it remains, and the welds don't look as good as a weld on uncoated metal. It seems the coating keeps the weld puddle from flowing like normal. Structurally they have been OK, but not as pretty as you would like. jt Quote Link to comment Share on other sites More sharing options...
alexideways Posted November 7, 2006 Share Posted November 7, 2006 Some headers are coated inside also so, even if you remove all the coating you can see, there still could be a layer under your weld. Quote Link to comment Share on other sites More sharing options...
VinhZXT Posted November 7, 2006 Author Share Posted November 7, 2006 Thanks for the replies. My FFCobra side pipes don't have coating on the inside so if I grind away the outside coating I should be able to weld right? The headers might be coated inside and outside so they might be much harder to weld. OK I think I can start hacking my side pipes up and give it a try. Thanks Vinh Quote Link to comment Share on other sites More sharing options...
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