Designed to seal exhaust joint on the muffler when repacking or - if needed - where the muffler attaches to the header pipe Effectively seals the exhaust system against vapor and engine residue leaks at couplings Max operation temperature is 1800?F Woven silica tape .030" thick, 1" wide and 8" long Adhesive attached Two pieces included Made in the U.S.A.. EXHAUST TAPE MSE HI TEMP