Pendleton - Whisperwool Muffler. Color Autumn. On sale for $66.66. MSRP $99.50.. 5.0 out of 5 stars+3 colors/patternsBrand NamePendletonProduct NameWhisperwool MufflerColorAutumnPrice$66.66MSRP: $99.50Rating5Rated 5 stars out of 5(3)