The A.I.R. Check Valve is an emission control device that allows air into the exhaust system to help burn pollutants. Our A.I.R Check Valve is made to withstand the heat of the exhaust manifold. Product Features:A necessary replacement item for passing inspection in certain statesDirect replacement for a proper fit every timeDurable metal construction helps to withstand extreme temperaturesQuality-tested to ensure trouble-free installation and durability
