The Ryan 4164675 37HP Kawasaki Muffler is a powerful and efficient addition to your turf equipment. This high-quality muffler is designed specifically for use with the Ryan 4164675 model and is sure to enhance its performance. With its durable construction and innovative design, this muffler is the perfect choice for any turf care professional. Say goodbye to noisy and inefficient mufflers, and upgrade to the Ryan 4164675 37HP Kawasaki Muffler. Its superior functionality and top-notch quality will make a noticeable difference in your equipment's performance. Trust the brand that is trusted by turf care experts worldwide - Ryan.