AP Exhaust 644181 Catalytic Converter - Rear

Overview of AP Exhaust Direct Fit Converter 644181

The AP Exhaust Direct Fit Converter 644181 is designed specifically for Lexus IS250 models, providing a reliable replacement catalytic converter that meets federal EPA standards. Engineered with durable stainless steel and a ceramic substrate, this converter ensures efficient emission control and long-lasting performance.

• Federal / EPA direct-fit catalytic converter
• Constructed with stainless steel body for corrosion resistance
• Ceramic substrate for effective emission filtration
• Two inlet welded flange connections with 2-bolt design
• One outlet welded flange with 2-bolt connection
• Includes two inlet gaskets and one outlet gasket
• Equipped with two O2 sensor ports for accurate monitoring
• Overall length of 80 inches for precise fitment
• Boxed packaging for secure delivery

Detailed Product Description

The AP Exhaust Direct Fit Converter 644181 is a federal EPA-compliant catalytic converter tailored for the Lexus IS250. Its stainless steel body offers enhanced durability against rust and corrosion, while the ceramic substrate efficiently reduces harmful emissions. The converter features two inlet connections and one outlet, all utilizing welded flange 2-bolt designs to ensure a secure and leak-free fit. With two O2 sensor ports, this part supports accurate oxygen sensor readings critical for engine performance and emissions control. The overall length of 80 inches is engineered to match the factory specifications, facilitating a straightforward replacement process.

Direct Fit Converter Product Line

The Direct Fit Converter line by AP Exhaust focuses on providing catalytic converters that match OEM specifications for a precise fit and function. This product line emphasizes ease of installation and compatibility with specific vehicle makes and models, such as the Lexus IS250. By using high-quality materials and maintaining strict manufacturing standards, the Direct Fit Converter series aims to deliver dependable emission control solutions without requiring modifications.

Common Applications and Problem Solving

• Replacement for damaged or clogged catalytic converters on Lexus IS250
• Restores proper exhaust flow and reduces harmful emissions
• Resolves check engine light issues related to catalytic converter failure
• Improves vehicle compliance with federal emission regulations
• Addresses poor engine performance caused by converter malfunction

Installation Notes and Tips

This catalytic converter is designed for direct fit installation on Lexus IS250 models, matching OEM connection types with welded flange 2-bolt inlets and outlets. It includes two inlet gaskets and one outlet gasket to ensure a proper seal. No additional inlet hardware is included, so verify existing hardware condition before installation. Proper torque specifications should be followed to avoid leaks or damage. The two O2 sensor ports allow for easy sensor reinstallation without modification.

Quality Assurance

Manufactured with a stainless steel body and ceramic substrate, the AP Exhaust Direct Fit Converter 644181 is built to meet federal EPA standards. While this part is not CARB certified for California emissions, it complies with federal regulations. The product is boxed securely to prevent damage during shipping. Warranty information is not specified, so consult the supplier or manufacturer for details.