Crossword clues for the word: DUALMUFFLER The word DUALMUFFLER has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for DUALMUFFLER Showing 1 to 3 of 3 results Clue(s) Quieting feature of some muscle cars Quieting feature of some vehicles Scarf for the well-dressed driver?