Dorman 903-308 Exhaust Clamp - Converter To Muffler

Durable Stainless Steel Exhaust Clamp for Chevrolet and GMC Trucks

The Dorman 903-308 exhaust clamp is designed specifically for select Chevrolet and GMC heavy-duty trucks. Constructed from stainless steel with a natural finish, this clamp offers reliable corrosion resistance and a secure fit for exhaust pipes with a 2.45-inch diameter.

• Material: Stainless steel for enhanced durability and corrosion resistance
• Size: 3.35 inches outside diameter, suitable for 2.45-inch pipe diameter
• Clamping Type: V band design with bolt clamp for secure fastening
• Nut Type: Hexagonal nut for easy tightening
• Finish: Natural metallic gray finish for corrosion protection
• Specific fitment for Chevrolet and GMC Sierra and Silverado 2500/3500 HD models

Product Details and Specifications

The Dorman 903-308 exhaust clamp features a V band clamping mechanism with a bolt design, providing a strong and reliable connection for exhaust components. Its stainless steel construction ensures resistance to rust and heat, making it suitable for demanding exhaust system environments. The clamp has an outside diameter of 3.35 inches and fits exhaust pipes with a 2.45-inch diameter. The hexagonal nut type allows for straightforward installation and adjustment. This clamp is a standard replacement part designed specifically for heavy-duty Chevrolet and GMC trucks, including Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD models.

Compatible Vehicles and Applications

• Chevrolet Sierra 2500, 2500 HD, 2500 HD Classic, 3500, 3500 Classic, 3500 HD
• GMC Sierra 2500, 2500 HD, 2500 HD Classic, 3500, 3500 Classic, 3500 HD
• Chevrolet Silverado 2500, 2500 HD, 2500 HD Classic, 3500, 3500 Classic, 3500 HD

Common Exhaust Issues Addressed

• Loose or leaking exhaust pipe connections
• Corrosion damage to existing clamps
• Vibration-induced exhaust system noise
• Replacement of worn or damaged exhaust hardware
• Ensuring proper exhaust sealing to prevent leaks

Installation Notes and Tips

Ensure the exhaust pipe and clamp surfaces are clean and free of debris before installation. Position the clamp evenly around the pipe to avoid uneven pressure. Use a properly sized wrench or socket for the hexagonal nut to tighten securely without over-torquing, which could damage the clamp or pipe. This clamp is designed for specific fitment on Chevrolet and GMC heavy-duty trucks; verify compatibility with your vehicle model and exhaust pipe diameter before installation.

Quality Assurance and Warranty

Dorman exhaust clamps are manufactured to meet standard replacement specifications, providing reliable performance for heavy-duty truck exhaust systems. While this product is not performance rated, it is engineered for durability and corrosion resistance. Warranty information is available through Dorman and may vary by distributor.