. Pendleton - Whisperwool Muffler. Color Autumn. On sale for $58.70. MSRP $99.50.. 5.0 out of 5 starsBest SellerAdd to favorites. 0 people have favorited this+2 colors/patternsBrand NamePendletonProduct NameWhisperwool MufflerColorAutumnPrice$58.70MSRP: $99.50Rating5Rated 5 stars out of 5(3)