THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.Specifications: Exhaust Type Cat-Back Exit Position Dual Center Inlet Inside Diameter 3.000 in. Material 304 Stainless Steel Tail Pipe Diameter 3.000 in. Tip Diameter 4.000 in. Tubing Diameter 3.000 in. WARNING CA Proposition 65 Yes WARNING CA Proposition 65 Message WARNING: This product can expose you to chemicals including nickel (metallic) and chromium (hexavalent compounds) which are known to the State of California to cause cancer and birth defects; or other reproductive harm Description_DES Armor Pro Cat Back Exhaust System Description_EXT Armor Pro Cat Back Exhaust System; 3 in.; Incl. Ext. Pipe/Muffler/Resonator/Over Axle Pipe/Tailpipe/Hardware/Dual 4 in. OD Tips; Dual Center Exit; T304 Stainless Steel; Description_FAB Improved Torque And Horsepower Description_FAB Lower Exhaust Gas Temperatures Description_FAB Improved Throttle Response Description_FAB Bolt On Design Description_FAB Utilizes OEM Hangers Description_FAB Ultimate Style Description_FAB Cool Sound Description_FAB Lifetime Warranty Description_MKT THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great. Description_SHO Exhaust System Kit This Part Fits: Year Make Model Submodel Notes 2013 Ford Focus ST 2014 Ford Focus ST 2015 Ford Focus ST 2016 Ford Focus ST 2017 Ford Focus ST 2018 Ford Focus ST