The Freightliner 14.6 Inch Long And 5.31 Inch Wide Stainless Steel Exhaust Bellow is a practical and reliable product that offers numerous benefits. With its 4-4/5 inch outer diameter and 4 inch inner diameter, it provides a perfect fit for most Freightliner makes and models. Made from high-quality stainless steel, this exhaust bellow ensures durability and longevity. It is directly replaceable with OE parts, making installation hassle-free. Additionally, its exhaust emission norm meets EPA 07 standards, ensuring compliance with environmental regulations. Sold individually, this exhaust bellow is a cost-effective solution for maintaining and improving your Freightliner's performance.