If the term you are looking for is Harley-Davidson-Mufflers, they were brought onto the market between 1941-1949. They range in price between $50 and $500 depending on how large and loud you want them to be.
Harley Hamilton - conductor - was born in 1861.
Harley Sanford Jones was born on 1902-11-10.
Harley Wood was born on August 25, 1913, in Independence, Missouri, USA.
Harley Race was born on April 11, 1943.
Harley Bauer was born on October 5, 1977, in New York City, New York, USA.
A person can buy Harley Davidson mufflers directly from a Harley Davidson licensed dealership. This would be the best places to buy Harley Davidson mufflers because they are guaranteed to be genuine and not counterfeits.
AS FAR AS I KNOW the exhaust is the same. i know the slip on mufflers will and the O2 sensor ports will have to be pluged
Left - 66077-06a, right - 66012-06a, comes with clamps an gasket etc.
Thomas Harley was born in 1730.
James Harley was born in 1959.
Harley Flanagan was born in 1967.
David Harley was born in 1949.
Anthony Harley was born in 1963.
Harley Yanoff was born in 1986.
Martin Harley was born in 1975.
Harley Hunt was born in 1940.
Harley Dickinson was born in 1938.