Volant's new exhaust for the 2001 - 2005 Chevy Silverado and GMC Sierra 6.6L LB7 & LLY Diesel is a fully polished show piece fabricated from T304 stainless steel with precision TIG welds and mandrel bends for a smooth deep note that never becomes an annoying drone when cruising the highways. Designed to work with maximum efficiency with a Volant Cold Air Intake or to produce top of the line performance gains all by itself, this Volant Exhaust will turn your Silverado or Sierra into a show piece with an intimidating growl!