COMPATIBILITY – Fits 1998-2001 Dodge Ram 1500; 1998-2001 Dodge Ram 2500; 1998-1999 Dodge Ram 3500; 2000-2001 Dodge Ram 3500; 1998-1999 Dodge Durango; 2004-2004 Ford F-150 Heritage; 1997-2001 Ford Expedition; 1998-2003 Ford F-150; 1998-1999 Ford F-250; 199 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 Stainless steel construction for lifelong protection Polished finish for a show quality shine Dyno proven to flow up to 2,000 SCFM and support up to 1,900 horsepower Straight through design ensures unrestricted exhaust flow and reduces back pressure CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone