Outfit your Peterbilt 357/378 with our premium exhaust kits, designed for models like the 357, 378, 388, and 389. These kits offer tons of customization, including stack styles, pipe sizes, and elbow configurations to match your style and truck's needs. Highlights: Choose from stack styles like flat top, miter, bull hauler, or curve for a custom look. Durable stainless steel construction resists corrosion and lasts long. Pipe size options include 7-5 inch, 8 inch, and 8-5 inch diameters for different setups. OE-style or long-drop elbows for flexible routing. Tapered y-pipes and reducer fittings for a sleek finish. Complete kits with all components for an easy install. Whether upgrading for style or performance, these high-quality kits are perfect for show trucks or hardworking rigs. Personalize and optimize your Peterbilt today!