AP Exhaust 641290 Catalytic Converter with Integrated Exhaust Manifold - Front Right or Rear

AP Exhaust Catalytic Converter with Integrated Exhaust Manifold Overview

The AP Exhaust 641290 catalytic converter with integrated exhaust manifold is designed specifically for Toyota Sienna models. Constructed from durable stainless steel, this federal/EPA direct-fit manifold ensures reliable performance and compliance with emissions standards.

• Body material: stainless steel for corrosion resistance and durability
• Integrated catalytic converter with ceramic substrate for efficient emissions control
• Inlet type: 6 bolt welded flange with included inlet gasket
• Outlet type: 2 bolt welded flange with included outlet gasket
• One O2 sensor port for accurate exhaust monitoring
• Overall length of 17 inches for precise fitment
• Federal/EPA direct-fit manifold designed for Toyota Sienna

Detailed Product Description

This AP Exhaust catalytic converter with integrated exhaust manifold (part number 641290) is engineered to meet federal and EPA emissions requirements. The stainless steel body provides long-lasting resistance to rust and heat, while the ceramic substrate inside the converter efficiently reduces harmful exhaust gases. The unit features a 6 bolt welded flange inlet and a 2 bolt welded flange outlet, both equipped with gaskets to ensure a secure, leak-free connection. The single O2 sensor port allows for proper sensor installation, maintaining engine performance and emissions control. With an overall length of 17 inches, this direct-fit manifold is designed to replace the original part on Toyota Sienna vehicles without modification.

Common Applications and Issues Addressed

• Replacement for damaged or rusted catalytic converter manifolds on Toyota Sienna
• Restores proper emissions control to pass state and federal inspections
• Eliminates exhaust leaks caused by cracked or failing manifolds
• Improves engine performance by maintaining correct oxygen sensor readings
• Addresses check engine light codes related to catalytic converter efficiency

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation. This part is a direct-fit replacement designed for Toyota Sienna models, so no modifications should be necessary. Use the included inlet and outlet gaskets to prevent exhaust leaks. Verify the O2 sensor port alignment before tightening bolts. Torque all flange bolts to manufacturer specifications to ensure a proper seal.

Quality Assurance and Warranty

AP Exhaust manufactures this catalytic converter with integrated exhaust manifold to meet federal and EPA standards. The stainless steel construction and ceramic substrate are selected for durability and emissions compliance. While specific warranty details are not provided, AP Exhaust products typically adhere to industry quality standards for replacement exhaust components.