AP Exhaust 700374 Exhaust Muffler - Left or Right

AP Exhaust 700374 Muffler Overview

AP Exhaust 700374 is a direct-fit exhaust muffler for select Cadillac and Lincoln applications. It uses an oval aluminized steel body with a baffled design and OE-comparable sound level for a factory-style exhaust repair.

Compatible with Cadillac DTS, Cadillac DeVille, Cadillac Seville, and Lincoln Continental applications, AP Exhaust 700374 is built for vehicles that originally used a welded OE exhaust assembly. The 700374 muffler supports a clean replacement path for common rear exhaust service on left, right, and N/A positions where listed.

Key Features

• Part number: 700374
• Series: MSL
• Oval muffler body with aluminized steel construction
• Baffled muffler type for OE-style exhaust tone
• OE-comparable sound level
• Single 2-inch inlet and single 2-inch outlet
• Inlet location: right center; outlet location: center
• Direct-fit design for listed Cadillac and Lincoln applications

Detailed Product Description

AP Exhaust 700374 is an exhaust muffler engineered for factory-style replacement on select Cadillac DTS, DeVille, Seville, and Lincoln Continental models. The oval body measures 16 inches long, 11 inches wide, and 5.5 inches high, with an overall length of 20 inches. Its aluminized steel body material is suited for standard exhaust service, while the baffled internal design helps maintain an OE-comparable exhaust note.

This AP Exhaust muffler uses a 2-inch pipe inlet and 2-inch pipe outlet, with a right-center inlet location and center outlet location. It is listed for 2006-2011 Cadillac DTS left and right, 2000-2005 Cadillac DeVille, 1998-2003 Cadillac Seville left and right, and 1995-2002 Lincoln Continental left and right. AP Exhaust 700374 is a practical choice when replacing a worn muffler on a welded factory exhaust system.

What This Muffler Helps Address

• Exhaust noise from a damaged or deteriorated muffler
• Factory exhaust tone changes caused by internal muffler wear
• Replacement needs on welded OE exhaust assemblies
• Corrosion-related muffler failure on aluminized steel systems
• Fitment-specific service for Cadillac DTS, DeVille, Seville, and Lincoln Continental models

Installation Notes and Tips

Verify the vehicle position, inlet and outlet orientation, and pipe diameter before installation. This muffler is listed as a direct-fit MSL/Maximum muffler for applications where the OE system was a welded assembly, so matching the original layout is important for proper alignment. For the listed Cadillac DTS, DeVille, Seville, and Lincoln Continental applications, inspect adjoining exhaust components and replace any worn sections noted by the vehicle’s exhaust configuration.

Quality Assurance

AP Exhaust 700374 is part of the MSL series and is built to OE-style specifications for the listed applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.