Dieselr Aluminized 4" Cat Back Exhaust Single | GM 2500/3500 6.6L DURAMAX LB7/LLY/LBZ w/OEM 4 Bolt Flange 2001-2007
Dieselr aluminized 4" cat back single—smooth flow, easy fit, and long-lasting corrosion-resistant steel for performance and reliability.