The Freightliner And Western Star 28.9 Inch Stainless Steel Exhaust Bellow is a practical and reliable product designed to enhance your vehicle's exhaust system. With a 5-5/6 inch outer diameter and 5 inch inner diameter, this stainless steel bellow is built to last. It measures 28.9 inches long, 5 inches wide, and 5 inches tall, making it a perfect fit for most Freightliner and Western Star makes and models. This exhaust bellow is directly replaceable with OE parts, ensuring a seamless installation process. Its stainless steel construction guarantees durability and longevity, while its EPA 10 exhaust emission norm compliance ensures environmental friendliness. Sold individually, this bellow is a direct OE replacement for numbers 04-30008-000 and OTR3FA003.