Silverado 3.0 Inch Cat-Back Single Side Exit with Single 4.0 Inch Polished Slash Cut Tip Sport Sound 03-06 Silverado 1500 SS 6.0L Corsa PerformancedB by CORSA's patented Reflective Sound Cancellation (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, and a deep aggressive rumble. Computerized; mandrel bent; straight through design for maximum airflow which improves fuel economy and performance. Features: 3.0 Inch Cat-Back Exhaust System Single Side Exit with Sport Sound Level Single 4.0 Inch Polished Tips Patented No Drone, Reflective Sound Cancellation (RSC) Technology Custom Tuned, Aggressive Exhaust Note No Drone At Cruise 304 Stainless Steel Construction Flows Better Than Stock Aggressive Slash Cut, Polished Stainless Steel Tip Detailed Printed Instructions Included No Welding Required 10 Year Limited Warranty Made in the U.S.A. Sold As A Kit Fits Vehicles: 2003-2007 Chevrolet Silverado Note: Every Corsa exhaust system is engineered and designed to match the unique properties of the vehicle it is designed for to deliver perfect fitment and performance Corsa does not recommend or recognize purchases and installation on unspecified vehicles