The International Replacement Pipe is a practical and reliable solution for replacing the Freightliner Part # 3820024C3. With its 4" x 21" size and 5" OD/Flare Turbo, this stainless steel pipe fits most Classic International Makes and Models. Designed to be durable and long-lasting, this replacement pipe offers the perfect fit and functionality. Whether you need to replace a worn-out pipe or upgrade your existing one, the International Replacement Pipe is the ideal choice for ensuring optimal performance and efficiency.