Gasket muffler/header 5HD FLH/T21-up
Seals the connection of muffler, header or cross over tube. Application is not only model-specific but also country-specific. When the VIN (Vehicle Identification Number as stamped in your frame) starts with 1HD you have a US Domestic model, when the VIN starts with 5HD you have a HDI International Export model for the European market.