The Peterbilt Stainless Steel Stack Single Permit is a practical and durable product designed for Peterbilt models. Made of high polished 10 gauge 304 stainless steel, this stack is built to last. It is sold as a pair, fitting both the driver and passenger side. With its sleek design and sturdy construction, this stack not only enhances the appearance of your vehicle but also provides long-lasting performance. Suitable for most Peterbilt models, this stainless steel stack is a reliable and practical choice for truck owners.