2006-2007 CHEV/GMC DURAMAX 6.6 (DUAL) 409SS CAT-BACK
The Silverline line includes direct fit single and dual exhaust systems, universal stack kits, and exhaust tips. The mandrel bent exhaust systems improve airflow for enhanced horsepower and torque. Silverline exhaust systems include pre-welded hangers and hardware for an easy bolt-on installation. The Silverline diesel muffler is a free-flow design with strategically placed louvers. These louvers provide sound deadening control for a more pleasant in-cab ride, while providing the deep, rich sound of the diesel engine during acceleration