AP Exhaust 700430 Exhaust Muffler

AP Exhaust 700430 Muffler for Explorer and Mountaineer

AP Exhaust 700430 is a direct-fit exhaust muffler for select 1998-2001 Ford Explorer and Mercury Mountaineer applications. Built in an oval aluminized steel body with a baffled design, it is specified for OE-comparable sound and factory-style exhaust routing.

Key Features

• Part number 700430 from AP Exhaust
• Direct-fit MSL/Maximum muffler application
• Oval muffler body with aluminized steel construction
• Baffled muffler type for OE-comparable sound level
• Dual 2.5-inch inlet, center 2.25-inch outlet layout
• Fits 1998-2001 Ford Explorer and 1998-2001 Mercury Mountaineer

Detailed Description

This AP Exhaust muffler is built for vehicles that use a welded OE exhaust assembly and need a replacement that follows the original routing. The 20-inch body length, 32-inch overall length, and center outlet configuration support a factory-style installation on the Ford Explorer and Mercury Mountaineer platform. AP Exhaust 700430 uses a regular-grade aluminized steel body with no attached heat shield and a baffled internal design to maintain an OE-comparable sound level.

For fitment-based searches, this part is commonly referenced as a direct-fit muffler for 1999-2001 Ford Explorer, 1999-2001 Mercury Mountaineer, and 1998 Ford Explorer or Mercury Mountaineer built from 01/28/98 onward. AP Exhaust 700430 is a practical choice when replacing a worn muffler on these vehicles without changing the original exhaust layout.

What It Helps Address

• Exhaust noise from a damaged or rusted muffler
• Restricted exhaust flow caused by internal muffler deterioration
• Factory exhaust fitment issues on welded OE systems
• Replacement needs for OE-style sound and routing
• Corrosion-related failure in the original muffler body

Installation Notes and Tips

Verify inlet and outlet sizing before installation: dual 2.5-inch inlets with a single 2.25-inch center outlet. This muffler is specified for left-center/right-center inlet placement and a center outlet, so alignment with the existing exhaust system is important. Because the OE system was welded, related exhaust components noted in the vehicle application should be inspected and replaced as needed during service.

Quality Assurance

AP Exhaust manufactures replacement exhaust components for direct-fit service applications. This muffler is built to match the listed vehicle fitment and OE-style sound requirements for the 1998-2001 Ford Explorer and Mercury Mountaineer platform.