AP Exhaust 700399 Exhaust Muffler - Front

AP Exhaust 700399 Exhaust Muffler Overview

The AP Exhaust 700399 muffler is designed specifically for Toyota Sienna models, providing a reliable replacement that maintains original equipment sound levels. Constructed from aluminized steel, this baffled muffler offers durability and effective noise reduction for your vehicle's exhaust system.

• Compatible with Toyota Sienna exhaust systems
• Body dimensions: 22 inches length, 10.5 inches width, 4.06 inches height
• Made from aluminized steel for corrosion resistance
• Baffled muffler type with center inlet and right center outlet
• Inlet and outlet pipe diameter: 2.25 inches
• Oval shape with a 26-inch overall length
• OE comparable sound level for balanced noise control

Detailed Product Description

The AP Exhaust 700399 muffler features a baffled design that helps reduce exhaust noise while maintaining efficient flow. Its aluminized steel body resists rust and corrosion, extending the muffler's service life. The oval-shaped muffler measures 22 inches in body length and 10.5 inches in width, with a height of 4.06 inches, fitting neatly within the Toyota Sienna's exhaust system layout. The inlet and outlet pipes both have an inside diameter of 2.25 inches, with the inlet located at the center and the outlet positioned at the right center, ensuring proper alignment and fitment. This muffler is part of the Msl series and offers a regular grade type without a heat shield attached.

Common Applications and Problem Solving

• Replacement for worn or damaged mufflers on Toyota Sienna vehicles
• Restores factory sound levels and reduces excessive exhaust noise
• Helps prevent exhaust leaks caused by rust or corrosion
• Improves exhaust flow for consistent engine performance
• Maintains proper exhaust backpressure for fuel efficiency

Installation Notes and Tips

Ensure the AP Exhaust 700399 muffler is compatible with your specific Toyota Sienna model year before installation. The muffler features a center inlet and right center outlet pipe configuration, so verify alignment with your vehicle’s exhaust piping. Professional installation is recommended to ensure proper fit and secure mounting. No heat shield is attached, so check for adequate clearance to avoid heat-related issues.

Quality Assurance and Warranty

AP Exhaust manufactures this muffler with aluminized steel to provide corrosion resistance and durability. The muffler is designed to meet original equipment sound levels, ensuring consistent performance. Warranty details are not specified for this part number 700399; please consult the manufacturer or authorized distributor for warranty information.