AP Exhaust 700291 Exhaust Muffler

Brand AP Exhaust 700291
Body Height 4.06
Body Length 20
Body Material Aluminized steel
Body Width 10.5
Grade Type Regular
Heat Shield Attached Yes
Inlet Location Left center / right center
Inlet Outside Diameter 2.25
Inlet Quantity 2
Inlet Type Flange / pipe
Muffler Configuration O-oo/c
Muffler Type Baffled
Outlet Inside Diameter 2.25
Outlet Location Center
Outlet Quantity 1
Outlet Type Pipe
Overall Length 38
Series Msl
Shape Oval
Sound Level Oe comparable
Tunable No
Fits Ford and Mercury · 7 vehicles

OE comparable sound. Delivers a familiar exhaust note for everyday driving.

Baffled oval design. Helps shape exhaust flow for a balanced tone.

Aluminized steel body. Resists corrosion for dependable service life.

$96.65Free shipping
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AP Exhaust 700291 Muffler for Ford Explorer and Mercury Mountaineer

AP Exhaust 700291 is a direct-fit exhaust muffler for select Ford Explorer and Mercury Mountaineer applications. Built as an aluminized steel oval muffler with a baffled design and OE-comparable sound level, it is aimed at restoring factory-style exhaust performance and tone.

Key Features

  • Part number 700291 from AP Exhaust
  • Direct-fit MSL/Maximum muffler application
  • Aluminized steel body for everyday exhaust service
  • Oval muffler shape with baffled internal construction
  • Heat shield attached for added thermal protection
  • OE-comparable sound level for a factory-style exhaust note
  • 2.25 in. inlet and 2.25 in. outlet sizing
  • Dual inlet, single outlet configuration: O-OO/C

Product Details

This AP Exhaust muffler uses a 20-inch body length, 10.5-inch body width, and 4.06-inch body height with an overall length of 38 inches. The inlet layout is left center / right center with flange / pipe inlet type, while the outlet is centered with a pipe outlet type. The regular-grade aluminized steel construction and baffled design support a controlled exhaust flow and a sound profile that stays close to OE levels. AP Exhaust 700291 is a practical replacement choice for drivers looking to maintain original exhaust character on a Ford Explorer or Mercury Mountaineer.

Vehicle Fitment

  • Fits 2000 Ford Explorer, N/A — DIRECT FIT MSL/MAXIMUM Muffler; (4 - Door); Up to 12/99
  • Fits 1997-1999 Ford Explorer, N/A — DIRECT FIT MSL/MAXIMUM Muffler; (4 - Door)
  • Fits 2000 Mercury Mountaineer, N/A — DIRECT FIT MSL/MAXIMUM Muffler; Through 11/99
  • Fits 1998-1999 Mercury Mountaineer, N/A — DIRECT FIT MSL/MAXIMUM Muffler

Common Replacement Uses

  • Replacing a rusted or damaged factory muffler
  • Restoring OE-style exhaust sound on a Ford Explorer
  • Addressing exhaust noise from a worn internal baffle
  • Correcting fitment issues on a Mercury Mountaineer exhaust system
  • Replacing a muffler with restricted or uneven exhaust flow

Installation Notes and Tips

Verify the vehicle build date before ordering, since 2000 Ford Explorer applications are listed up to 12/99 and 2000 Mercury Mountaineer applications are listed through 11/99. Confirm inlet and outlet orientation, center outlet placement, and the 2.25-inch connection size against the existing exhaust layout before installation. AP Exhaust 700291 is intended for direct-fit use on the listed vehicles and should be matched to the exact body style and production timing shown in the fitment data.

Quality Assurance

AP Exhaust 700291 is built with aluminized steel construction and a heat shield attached for added durability in exhaust service. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2000FordExplorer4.0LV6N/ADIRECT FIT MSL/MAXIMUM Muffler; (4 - Door); Up to 12/99
2000MercuryMountaineer4.0LV6N/ADIRECT FIT MSL/MAXIMUM Muffler; Through 11/99
1999FordExplorer4.0LV6N/ADIRECT FIT MSL/MAXIMUM Muffler; (4 - Door)
1999MercuryMountaineer4.0LV6N/ADIRECT FIT MSL/MAXIMUM Muffler
1998FordExplorer4.0LV6N/ADIRECT FIT MSL/MAXIMUM Muffler; (4 - Door)
1998MercuryMountaineer4.0LV6N/ADIRECT FIT MSL/MAXIMUM Muffler
1997FordExplorer4.0LV6N/ADIRECT FIT MSL/MAXIMUM Muffler; (4 - Door)