21558 Exhaust Muffler - Silver

Features Spun-Locked Heads Help Resist Ruptures Due To Backfires. Bridge Construction For Structural Strength And A Long Service Life. Durable Internal Partitions For Greater Interior Structural Stability And A Long Service Life. The Inner Shell And Outer Cover Lockseams Are Positioned 180 Degree Apart For Maximum Durability. Strong, OE-Style Interior Spot Welds Help Improve Structural Stability And Increase Durability. OE-Style Domed Heads Help Reduce Radiated Noise. Internal Tubes Are Mechanically Joined To The Free-Floating Partition To Allow Expansion And Contraction During Temperature Changes. Specifications Shape - Oval. Inlet Position - Offset. Inlet Diameter - 2.25 in.. Outlet Position - Center. Case Diameter - 11 x 5.5 in.. Color - Silver. Case Length - 28 in.. Material - Stainless Steel. Internal Construction - Louvered Tube. Fits - 2001-2003 Ford F-150, 2004-2004 Ford F-150 Heritage.