. Pendleton - Whisperwool Muffler. Color Lumber. Low Stock. On sale for $89.55. MSRP $99.50.. 5.0 out of 5 starsBest SellerAdd to favorites. 0 people have favorited this8 left in stock+3 colors/patternsBrand NamePendletonProduct NameWhisperwool MufflerColorLumberPrice$89.55MSRP: $99.50Rating5Rated 5 stars out of 5(3)