AP Exhaust 700422 Exhaust Muffler

AP Exhaust 700422 Muffler Overview

AP Exhaust 700422 is a direct-fit exhaust muffler for select Ford Ranger and Mazda B2300 applications. It uses an oval, baffled design with OE-comparable sound level to replace the factory muffler on vehicles built with a welded exhaust assembly.

Built from aluminized steel, this muffler is sized for a 2-inch inlet and 2-inch outlet with center-mounted pipe connections. The AP Exhaust 700422 is a practical choice for restoring exhaust function on 2004-2011 Ford Ranger and 2005-2009 Mazda B2300 models.

Key Features

• Part number: 700422
• Series: MSL
• Oval muffler with baffled internal construction
• Aluminized steel body for everyday exhaust service
• 2-inch inlet and 2-inch outlet, pipe-style connections
• Right-center inlet and left-center outlet layout
• OE-comparable sound level
• Direct-fit application for select Ford Ranger and Mazda B2300 models

Detailed Product Description

This AP Exhaust muffler is engineered for vehicles that use a welded factory exhaust assembly, making it a direct-fit replacement for the original muffler section. Its 18-inch body length, 7-inch body height, 9-inch body width, and 22-inch overall length provide the dimensions needed for the listed applications. The baffled design helps maintain an OE-style exhaust note while supporting normal exhaust flow through the 2-inch inlet and outlet configuration. AP Exhaust 700422 is listed for 2004-2011 Ford Ranger and 2005-2009 Mazda B2300 fitments, making it a focused replacement for owners searching for a Ford Ranger muffler or Mazda B2300 exhaust muffler by part number 700422.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Vehicle Fitment

• Fits 2004-2011 Ford Ranger, N/A. DIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
• Fits 2005-2009 Mazda B2300, N/A. DIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.

Common Replacement Uses

• Replacement for a rusted, damaged, or leaking factory muffler
• Restoration of OE-level exhaust sound on Ford Ranger and Mazda B2300 models
• Service replacement for welded exhaust assemblies that require direct-fit parts
• Correction for exhaust noise caused by internal muffler wear or failure
• Replacement for restricted or deteriorated muffler housing

Installation Notes and Tips

Verify inlet and outlet orientation before installation, since this muffler uses a right-center inlet and left-center outlet layout. Because the OE system was a welded assembly on the listed vehicles, related exhaust components noted in the fitment comments should be inspected and replaced as needed during service. Confirm clearance for the oval body and overall length before final installation.

Quality Assurance

AP Exhaust manufactures this muffler in aluminized steel with a regular-grade construction and OE-comparable sound characteristics. The MSL series is built for direct-fit exhaust replacement on the listed Ford Ranger and Mazda B2300 applications.