Find multiple Exhaust Adapters for the custom exhaust on your 2007.5-2010 Chevy/GMC 6.6L LMM Duramax. Y-pipes and reducers are available in sizes ranging from 3.5" to 7" in diameter. You'll find stainless-steel and aluminized adapters to suit your needs and match your existing exhaust application. Magnaflow, MBRP, and Silverline are just some of the top tier brands you'll find when searching for exhaust components.
