Upgrade your diesel exhaust system with this heavy duty aluminized steel muffler engineered for strong flow, durability, and a deep, mellow exhaust tone. This muffler features a 4 inch slotted inlet and a 4 inch slotted outlet for easy slip fit installation on standard 4 inch diesel exhaust tubing. The 7 inch round body provides a smooth, rich tone without excessive noise, making it ideal for tow rigs, heavy duty work trucks, and performance diesel applications. With a 24 inch body length and a 30 inch overall length, this muffler delivers excellent airflow, balanced backpressure, and long term reliability. Built from corrosion resistant aluminized steel, it withstands high heat, vibration, and demanding driving conditions. Perfect for replacing a worn factory muffler or for use in a custom exhaust build. Please verify measurements and fitment before purchasing.