Walker 46748 Exhaust Muffler Assembly

Overview of Walker Quiet-Flow Exhaust Muffler Assembly 46748

The Walker Quiet-Flow Exhaust Muffler Assembly 46748 is designed specifically for BMW 325i, 325is, and 325iX models. This aluminized steel muffler offers a durable, corrosion-resistant finish and a combination muffler type with dual offset tips for efficient exhaust flow and sound control.

• Aluminized steel construction for corrosion resistance
• Oval-shaped muffler body measuring 11" diameter by 19.25" length
• Offset inlet configuration with two 2-bolt loose flange inlets
• Dual outlet tips with 2.25" and 2.5" outside diameters
• Overall length of 71" with a body height of 6.5" and width of 11"
• Combination muffler type designed for balanced sound and performance

Walker Quiet-Flow Product Line Details

The Quiet-Flow line by Walker focuses on providing mufflers that reduce exhaust noise while maintaining efficient exhaust flow. This product line uses aluminized steel materials and combination muffler designs to deliver reliable performance and durability. The 46748 muffler assembly fits within this line by offering a balance of sound attenuation and exhaust efficiency tailored for specific BMW models.

Product Description and Specifications

This Walker Quiet-Flow muffler assembly features an oval-shaped steel body with an aluminized finish to resist rust and extend service life. The muffler body measures 11 inches in diameter, 19.25 inches in length, 6.5 inches in height, and 11 inches in width, providing a compact yet effective design. It includes two offset inlets with 2-bolt loose flange connections, ensuring a secure fit to the exhaust system. The dual outlet tips, sized at 2.25 and 2.5 inches outside diameter, are also offset to optimize exhaust flow and sound dispersion. The combination muffler type is engineered to balance noise reduction with minimal backpressure, suitable for BMW 325i, 325is, and 325iX vehicles.

Common Applications and Problem Solving

• Replacement for worn or damaged mufflers on BMW 325i, 325is, and 325iX models
• Reduction of excessive exhaust noise and vibration
• Restoration of proper exhaust flow to improve engine performance
• Prevention of rust and corrosion with aluminized steel construction
• Addressing exhaust leaks caused by damaged inlet or outlet flanges

Installation Notes and Tips

Ensure compatibility with BMW 325i, 325is, and 325iX models before installation. The muffler features two 2-bolt loose flange inlets with an offset configuration, requiring proper alignment during installation. Verify that the dual outlet tips are positioned correctly to match the vehicle’s exhaust layout. Use appropriate gaskets and hardware to secure the flanges and prevent exhaust leaks. Professional installation is recommended to maintain exhaust system integrity and performance.

Quality Assurance and Warranty

Walker mufflers are manufactured to meet or exceed OEM specifications, using durable aluminized steel for corrosion resistance. The Quiet-Flow 46748 muffler assembly undergoes quality control to ensure fitment accuracy and performance consistency. Warranty coverage details should be confirmed with the manufacturer or authorized distributor.