Constructed of T-304 stainless steel with free-flowing mandrel bent tubing. Features semi-polished muffler with two distinctive sounds: Touring (more aggressive than stock) and Performance (much more aggressive than stock). Finish it off with a fully-polished stainless steel tip with Pontiac logo (sold separately). This is the only performance exhaust system engineered by GM for your GM vehicle. Limited Lifetime Warranty; see dealer for details.