CNRAQR Universal 3" Vacuum Valve Exhaust Cutout with Stainless Steel Reducing Tube and Elbow Muffler

Sound Variation:You can control the exhaust to emit loud/quiet sound, Can make you clearly feel the changes in your beloved car. High Quality Material:The valve is made of 304 stainless steel, and the reducer pipe and elbow muffler are made of 201 stainless steel. High Performance:Starting Type: Negative Pressure,The pressure range: -2 Psi - 5.5 Psi,The valve is CLOSE at free condition. Complete Accessories:Equipped with reducer Pipe, suitable for exhaust pipes of different sizes,And it comes with an Elbow Muffler to avoid water accumulation/burn the chassis. Quality Service:When You Encounter Any Questions About The Product, You Can Contact Me As Soon As Possible, And I Will Answer It For You