AP Exhaust 641619 Catalytic Converter with Integrated Exhaust Manifold - Front

Overview of AP Exhaust Direct Fit Converter w Manifold

The AP Exhaust Direct Fit Converter w/ Manifold (Part Number 641619) is designed for precise replacement in select Lexus and Toyota models. This catalytic converter with integrated exhaust manifold offers a direct-fit solution engineered to meet federal EPA standards for emissions control.

• Federal / EPA direct-fit manifold catalytic converter
• Single inlet and outlet design for streamlined exhaust flow
• Ceramic substrate material for effective pollutant conversion
• Welded flange inlet and outlet connections for secure fitment
• Includes one O2 sensor port for accurate emissions monitoring
• Compatible with Lexus Avalon, Toyota Camry, ES300h, NX300h, and RAV4
• Overall length of 21 inches for proper fitment
• Boxed packaging with included gaskets and hardware for installation

Product Line Details: Direct Fit Converter w/ Manifold

The Direct Fit Converter w/ Manifold product line by AP Exhaust integrates the catalytic converter and exhaust manifold into a single assembly. This design simplifies installation by reducing the number of components and potential leak points. The welded flange connections and included gaskets ensure a secure and reliable fit, making it a practical replacement option for compatible Lexus and Toyota vehicles.

Detailed Product Description

This AP Exhaust catalytic converter with integrated exhaust manifold features a ceramic substrate that efficiently converts harmful emissions to meet federal EPA requirements. The unit has one inlet and one outlet, both utilizing welded flange connections—5-bolt welded on the inlet and 2-bolt welded on the outlet—to ensure a tight seal. It includes one O2 sensor port to maintain proper engine management and emissions control. The overall length of 21 inches is designed to fit specific Lexus and Toyota models, including the Avalon, Camry, ES300h, NX300h, and RAV4. The product comes boxed with one air tube gasket, one inlet gasket, one outlet gasket, and necessary hardware to facilitate installation.

Common Applications and Issues Addressed

• Replacement for damaged or clogged catalytic converters in Lexus Avalon and Toyota Camry models
• Restores proper emissions control in hybrid models like the ES300h and NX300h
• Addresses exhaust leaks caused by manifold cracks or gasket failure
• Helps resolve check engine light codes related to catalytic converter efficiency
• Improves exhaust flow and reduces harmful emissions in Toyota RAV4 vehicles

Installation Notes and Tips

Installation requires proper alignment of the welded flange connections and use of the included gaskets to prevent exhaust leaks. The single O2 sensor port must be connected to the vehicle’s oxygen sensor to ensure accurate emissions monitoring. Due to the integrated manifold design, this part replaces both the catalytic converter and exhaust manifold as a single unit, simplifying the installation process. It is recommended to verify compatibility with the specific Lexus or Toyota model and engine configuration before installation.

Quality Assurance and Warranty

AP Exhaust provides this catalytic converter with integrated manifold as a direct-fit replacement meeting federal EPA standards. The ceramic substrate is engineered for durability and effective emissions reduction. While this part is not CARB certified for California emissions, it is designed to meet federal regulations. Warranty details should be confirmed with the manufacturer or distributor at the time of purchase.