COMPATIBILITY – Fits 2002-2002 Ford Explorer; 2003-2003 Ford Explorer; 2004-2004 Ford Explorer; 2005-2005 Ford Explorer; 2002-2002 Mercury Mountaineer; 2003-2003 Mercury Mountaineer; 2004-2004 Mercury Mountaineer; 2005-2005 Mercury Mountaineer GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes INHIBITS CORROSION -- Aluminized-steel construction and internal drainage system helps inhibit corrosion BUILT TO LAST -- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life EASY TO INSTALL -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn't require specialized fabrication and/or welding FACTORY SOUND -- Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes GET MORE MILES FROM YOUR MUFFLER -- Designed and tested to extend muffler life