The Flowmaster 71225 Flow FX Series Muffler delivers a moderate performance tone for the enthusiast looking for an exhaust note that is different from the "chambered" muffler sound. The interior features a large 3.00" straight-through stainless steel perforated core, surrounded with high-temperature sound absorption materials delivering a deep traditional mellow tone. The internal flow design is reversible, so the muffler can be installed in either direction to best suit the vehicle application and offsets needed. Features include fully MIG-welded "bright" 409 stainless steel construction with the Flow FX logo embossed on both sides of the case. The Flow FX line of mufflers is perfect for the person looking for a show quality performance muffler at an economical price point and in a compact-sized case.• Durable fully welded bright 409S stainless steel case• High flow straight-through design for great performance• Moderate exterior performance toneSpecsBody Dimensions: 4"H x 9"W x 14"LBody Material: 409 Stainless SteelInlet Connection: Slip-FitInlet Inside Diameter: 2.25"Inlet Outside Diameter: 2.38"Muffler Overall Length: 20"Inlet Location: OffsetOutlet Location: CenterOutlet Inside Diameter: 2.25"Sound Level: ModerateFit: UniversalVehicle Type: 4/6 Cyl. EnginePart Number: 71225 Reversible internal flow design can be installed in either direction Fully MIG-welded ""bright"" 409 stainless steel construction | Flowmaster 71225 Flow FX Exhaust Muffler