When you need a muffler but want to keep the factory quiet sound coming from your 1999-2003 Ford 7.3L Powerstroke, choose the AP Exhaust 2557 Challenge Series Replacement Muffler. Challenge mufflers are designed to provide a quiet ride with minimal back-pressure, just like OE. The life of the muffler is extended with its 100% aluminized steel construction. Some other features are welded necks, patented Single Cartridge Muffler Design, welded support brackets, and a limited lifetime warranty.
Note: The OE exhaust system was a welded assembly. If your truck is still equipped with the factory exhaust, you may have to replace other components. Please confirm before ordering.