AP Exhaust 700311 Exhaust Muffler

AP Exhaust 700311 Muffler for Durango

AP Exhaust 700311 is an oval, baffled exhaust muffler built with aluminized steel for a direct-fit replacement application. It is configured with a 2.5-inch inlet and 2.5-inch outlet, OE-comparable sound level, and a non-tunable design for straightforward service on the exhaust system.

Key Features

• Part number 700311 from AP Exhaust
• Direct-fit muffler for 1998-2003 Dodge Durango
• Oval muffler body with baffled internal construction
• Aluminized steel body material for standard exhaust service use
• 2.5-inch inlet and 2.5-inch outlet pipe connections
• OE comparable sound level
• Left upper inlet and right upper outlet layout
• Overall length: 33.5 inches

Detailed Description

AP Exhaust 700311 is an exhaust muffler in the MSL series, sized with a 28-inch body length, 9-inch body width, and 7-inch body height. The oval shape and baffled muffler type are suited to replacement work where factory-style exhaust routing and sound characteristics are required. This part number 700311 is listed for 1998-2003 Dodge Durango applications and uses pipe-style inlet and outlet connections for a direct-fit installation path.

For buyers searching for a 1998-2003 Dodge Durango muffler replacement, AP Exhaust 700311 provides the specified 2.5-inch inlet/outlet sizing and OE comparable sound level in a regular-grade aluminized steel construction. It is a practical choice for restoring exhaust flow and replacing a worn or damaged muffler on the Durango platform.

What It Can Address

• Rust-through or corrosion in the original muffler body
• Exhaust noise caused by a failing internal muffler structure
• Restricted exhaust flow from a damaged or deteriorated muffler
• Factory-style replacement needs for a 1998-2003 Dodge Durango exhaust system
• Mismatch in inlet and outlet sizing during muffler replacement

Installation Notes and Tips

Verify inlet and outlet orientation before installation: left upper inlet and right upper outlet. Confirm the vehicle’s exhaust pipe diameter is 2.5 inches at both connection points and compare the overall length of 33.5 inches with the available space under the vehicle. This part is listed as a direct-fit MSL/Maximum muffler for 1998-2003 Dodge Durango applications.

Quality Assurance

AP Exhaust manufactures replacement exhaust components for service applications, and this muffler is built to the listed dimensions and configuration for the specified Durango fitment. Part number 700311 is engineered as an OE-comparable muffler replacement for the stated vehicle range.