Eckler's Premier Quality Products 25358881 Corvette NPP Exhaust Cutout Switch Allows Full Manual Control Of Factory NPP Exhaust Cutout Choose Loud Or Quiet At The Flick Of A Switch Includes Switch, Harness, Mounting Bracket, &amp; Instructions Made In The USA This factory performance upgrade provides more exhilarating sound and performance Corvette NPP Exhaust Cutout Switch, 2005-2013 Corvette NPP Exhaust Cutout Switch, 2005-2013