AP Exhaust 643142 Catalytic Converter - Rear

Overview of AP Exhaust Direct Fit Converter 643142

The AP Exhaust Direct Fit Converter 643142 is designed specifically for Subaru models including Crosstrek, Forester, Impreza, Legacy, Outback, and XV Crosstrek. This catalytic converter offers a direct-fit solution with durable stainless steel construction and EPA-compliant ceramic substrate for reliable emissions control.

• Constructed with corrosion-resistant stainless steel body
• Includes one inlet gasket and one outlet gasket for proper sealing
• Features a 3 bolt welded flange inlet and 2 bolt welded flange outlet with gasket stub
• Equipped with two O2 sensor ports for accurate emissions monitoring
• Overall length of 60 inches for precise fitment
• Federal/EPA direct-fit catalytic converter meeting emissions standards

Product Line Details: Direct Fit Converter

The Direct Fit Converter line by AP Exhaust focuses on providing catalytic converters that match OEM specifications for a straightforward replacement process. This product line ensures compatibility with specific vehicle makes and models, reducing installation complexity and maintaining factory emissions performance. The 643142 part is part of this line, designed to fit select Subaru vehicles without modification.

Technical Description and Features

This catalytic converter features a stainless steel body that resists rust and corrosion, extending the service life of the part. The ceramic substrate inside is engineered to efficiently convert harmful exhaust gases into less harmful emissions, complying with federal EPA regulations. The inlet side uses a 3 bolt welded flange, while the outlet side has a 2 bolt welded flange with a gasket stub, ensuring a secure and leak-free connection. Two O2 sensor ports allow for proper sensor placement to maintain engine performance and emissions control.

Compatible Vehicles and Common Applications

• Replacement for catalytic converter issues on Subaru Crosstrek models
• Suitable for Subaru Forester exhaust system repairs
• Direct fit for Subaru Impreza catalytic converter replacement
• Used in Subaru Legacy and Outback exhaust emission systems
• Fits Subaru XV Crosstrek for emissions compliance

Installation Notes and Tips

Ensure the vehicle is cooled down before beginning installation. The AP Exhaust 643142 converter includes inlet and outlet gaskets to help achieve a proper seal. Verify the flange types and bolt patterns match your vehicle’s exhaust system. No inlet hardware is included, so retain or source necessary bolts separately. Proper torque specifications should be followed to avoid leaks or damage.

Quality Assurance and Warranty

AP Exhaust catalytic converters are manufactured to meet federal EPA standards for emissions control. The Direct Fit Converter 643142 is built with high-quality stainless steel and ceramic substrate materials to ensure durability and performance. Warranty details should be confirmed with the manufacturer or distributor, as coverage may vary.