Walker 70402 Exhaust Y Pipe - Rear

Overview of Walker Exhaust Y Pipe 70402 for Mazda CX-9

The Walker 70402 Exhaust Y Pipe is designed specifically for the Mazda CX-9, providing a precise fit and reliable performance. Constructed from aluminized steel, this exhaust Y pipe offers durability and corrosion resistance for extended service life.

• Compatible with Mazda CX-9 models
• Inlet inside diameter: 2.25 inches
• Outlet outside diameter: 2 inches
• Length: 45.5 inches
• Compression bend type for accurate alignment
• Aluminized steel finish for corrosion protection
• One inlet pipe connection and two outlet 2-bolt welded flanges
• Pipe wall thickness of 0.05 inches
• Specific fitment, not universal

Detailed Product Description

The Walker 70402 Exhaust Y Pipe is engineered to meet the exact specifications required for the Mazda CX-9 exhaust system. Featuring a single inlet with a 2.25-inch inside diameter and two outlets each with a 2-inch outside diameter, this Y pipe facilitates efficient exhaust flow. The 45.5-inch length and compression bend design ensure proper alignment and fitment within the vehicle’s exhaust layout. Made from aluminized steel, the pipe resists rust and corrosion, maintaining structural integrity over time. The outlet connections utilize 2-bolt welded flanges, providing a secure and leak-resistant joint. This part is designed for specific fitment, ensuring compatibility with the Mazda CX-9 exhaust system without the need for modifications.

Common Applications and Problem Solving

• Replacement of damaged or rusted exhaust Y pipes on Mazda CX-9
• Restoring proper exhaust flow and reducing backpressure
• Eliminating exhaust leaks caused by cracked or corroded pipes
• Maintaining factory exhaust system alignment and fitment
• Supporting emissions compliance by ensuring exhaust integrity

Installation Notes and Tips

When installing the Walker 70402 Exhaust Y Pipe, ensure the vehicle is securely lifted and cooled down to avoid injury. Verify the inlet and outlet diameters match the existing exhaust components. The compression bend design requires careful alignment to prevent stress on adjoining pipes. Use appropriate gaskets and hardware (not included) to secure the 2-bolt welded flange connections. Inspect surrounding exhaust components for wear or damage during installation to maintain overall system performance.

Quality Assurance and Warranty

Walker exhaust components are manufactured to meet industry standards for durability and fitment. The aluminized steel construction provides corrosion resistance suitable for typical driving conditions. While specific warranty details for part number 70402 are not provided, Walker products generally adhere to quality control processes to ensure reliable performance in Mazda CX-9 applications.