The Peterbilt Stack Clamps are a practical and reliable solution for joining and securing exhaust stacks. With a 6-inch clamp and angle bracket, these chrome-plated stainless steel clamps are specifically designed to cover the seam line on plain stacks. Each clamp is sold individually and fits most Peterbilt makes and models. These stack clamps provide a seamless and secure connection, ensuring optimal performance and durability. Upgrade your exhaust system with the Peterbilt Stack Clamps for a reliable and efficient solution.