Repair the failed exhaust system in your 2004.5-2005 Chevy/GMC 6.6L LLY Duramax and keep it properly supported with Exhaust Hangers. Exhaust Hangers are manufactured from durable materials such as stainless steel to match your existing exhaust system and provide you with a long service life. Properly mounted exhaust hangers results in a securely mounted system that prevents rattling, shifting, and unwanted noise. Purchase Exhaust Hangers from manufacturers such as AP Emissions Technolgies, Magnaflow, Vibrant Performance and many more!