Caja de Cartn para Sorpresas Puntos de Colores sobre Blanco MagnaFlow Muffler Mag SS 6X6 14 4.00 4.0. The MagnaFlow 6in. Round Straight Through Performance Exhaust Muffler 14163 is engineered to enhance your vehicle with our signature exhaust sound and dyno proven performance thanks to its free flowing straight through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill. The weight optimized, reversible, universal 4 4in. diameter inlet outlet layout and 6x6x14in. round body shape offer flexible installation options to fit the spacing requirements of your ride. Professional installation is highly recommended. 14163 features a premium brushed finish. Muffler 14163 is made of durable, corrosion resistant stainless steel and produced using advanced CNC precision robotic manufacturing techniques, all backed by MagnaFlow's limited lifetime warranty. Delivers a Smooth, Deep Tone Delivers A Smooth Deep Tone Mufflers Are Bi Directional 100 Percent Stainless Steel 100% Stainless Steel