Catalytic Converter Fits 2011 to 2014 Ford Mustang 3.7L

Catalytic Converter Fits 2011 to 2014 Ford Mustang 3.7L Front left and right

Excel Exhaust catalytic converters are designed to be durable and Premium-grade ceramic substrates are used to OEM performance and reliability standards.

OBDII & EPA COMPLIANT - To ensure the best quality, all our products are up to date with the latest regulations made by the Environmental Protection Agency.

GASKETS ARE INCLUDED - only if it shows in the picture.

NON-CARB COMPLIANT - WE DO NOT SHIP TO CALIFORNIA & NEW YORK. Not Legal for Use in California & New York, USA. This product will not pass the California or New York emissions test.

• Professional installation is highly recommended. the following steps should be taken before installation.
• Make sure the vehicle is in proper fuel controlFront O2 sensor should be switching around 450 mV and Rear O2 sensor is above or equal to 450mV, typically 650-850mV
• Repair all exhaust system leaks and make sure the vehicle is in proper fuel control. ProperAir/Fuel Ratio is essential
• Check for contamination. An internal leak in the cooling system would allow coolant to enter the exhaust system and poison the catalytic converter.
• Install new oxygen sensors