AP Exhaust 2518 Exhaust Muffler

AP Exhaust 2518 Muffler for Ram HD Applications

AP Exhaust 2518 is a baffled oval exhaust muffler built from aluminized steel for OE-comparable sound control. With a 3.5-inch inlet and 3.5-inch outlet, it is a direct-fit style muffler for select 2003-2004 Dodge Ram 2500 and Ram 3500 Challenge LTW applications without a converter.

Key Features

• Part number: 2518
• AP Exhaust Challenge series muffler
• Oval body shape with baffled muffler construction
• Aluminized steel body material
• 3.5-inch inlet and 3.5-inch outlet pipe connections
• OE comparable sound level
• Right lower inlet and left upper outlet layout
• Body dimensions: 8.5 in. height, 11.5 in. width, 26 in. length
• Overall length: 39 in.

Detailed Description

AP Exhaust 2518 is engineered for Ram HD exhaust service where a factory-style sound profile and correct pipe sizing matter. The baffled HH configuration and oval case help maintain OE comparable exhaust tone while supporting proper flow through a 3.5-inch inlet and outlet arrangement. This muffler is listed for 2003-2004 Dodge Ram 2500 and 2003-2004 Dodge Ram 3500 Challenge LTW applications without a converter, making fitment research straightforward for Ram 2500 muffler replacement and Ram 3500 exhaust repair projects.

The aluminized steel construction provides a practical balance of durability and value for regular-duty use. AP Exhaust 2518 is a focused replacement choice when you need a muffler that matches the vehicle’s exhaust routing and sound characteristics without changing the overall system layout.

What It Helps Address

• Excessive exhaust noise compared with factory operation
• Damaged or rusted muffler housing
• Restricted exhaust flow from a worn internal baffle design
• Incorrect inlet and outlet sizing during muffler replacement
• Fitment issues on Challenge LTW exhaust configurations

Installation Notes and Tips

Verify the vehicle is a 2003-2004 Dodge Ram 2500 or Ram 3500 with Challenge LTW and without a converter before ordering. Confirm the right lower inlet and left upper outlet orientation, along with the 3.5-inch pipe connections, against the existing exhaust routing. This part number 2518 is intended for direct muffler replacement work where the original layout and case dimensions must be matched closely.

Quality Assurance

AP Exhaust manufactures replacement exhaust components for service applications that require consistent fit and sound characteristics. Part number 2518 is built with aluminized steel and a baffled oval design to support dependable exhaust system repair on select Dodge Ram 2500 and Dodge Ram 3500 models.