2-into-1 Heat Wrapped Custom Exhaust Pipes for Harley-Davidson Big Twins 84-06 Softail 2-1 TWO-IN-ONE EXHAUST HEAT INSULATION WRAPPEDStyled after the classic Street-Rod side pipes, they must be seen and heard to be believed. 1-3/4" head pipes constructed of 16 gauge steel with 3" outlet.Created to make a statement and make it with authority. 13/4 with a show chrome finish. Unless your neighbors are bikers too, youre going to ruffle some feathers with these pipes!Fits Harley-Davidson models with Evolution Engine and any Custom ApplicationMade in the USA Professionaly wrapped with: EXHAUST INSULATION WRAP Graphite Black by COOL IT ThermoTecExhaust Insulating Wrap is an innovative way to create more horsepower and reduce under-hood temperatures.Wrapping headers maintains hotter exhaust gases that exit the system faster through decreased density. Increased exhaust scavenging is produced, along with lower intake temperatures. Exhaust Insulating Wrap withstands continuous heat up to 2000F, and cont