The Peterbilt Exhaust Bellow, designed for OEM Number M66-7091-0335, is a practical and reliable product. With its natural finish, it fits most Peterbilt models seamlessly. Sold individually, this exhaust bellow offers convenience and ease of installation. Compatible with both OEM and aftermarket numbers such as M66-7091-0335, M6670910335, 58512, 58512-KIT, and 58512KIT, it ensures a perfect fit for your vehicle. Trust this exhaust bellow to enhance your Peterbilt's performance and durability, making it an ideal choice for any Peterbilt owner.