That was no mistake as I did a test wrap from the rear forward and on the stock headers it was a no-go without having tens of steel bands. There isn't a lot of room between the cyl 1 and 2 head pipes. I didn't have to seal either, after about 1500 miles, still going strong. It takes pliers to pull it apart now.Nice but you made the same error I did and wrapped it from the front rearwards. I revisited it and starting at the rear and moving forwards this prevents the exposed edges of the wrap facing forwards. I treated mine afterwards with the heat resistant Thermotec spray to seal the fibers against moisture ingress.
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LOL, that's exactly why I wrapped mine, have the melted toe shield on my Sidi boots to show for it.Loads of steel bands on mine but after you hit it with the paint you don't really see them. Being an electrician there were no shortage of the steel bands lying around. I was/am not a great fan of wrap but needs must as I was burning both trousers and boot tops, and as I ride all year round in British weather the sealing paint was a 'must.'