Hi Charles, Good Day! Thank you for your purchase. We pride ourselves in selling good quality parts at reasonable prices so we are quite saddened and embarrassed that we fell short in your case. We will definitely relay your comments about the product to our supplier so we can address the issue on quality. Thank you for pointing this out to us. Our record shows that the Catalytic Converter you ordered is match for a 2003 Ford F-150 XLT, however, the part will fit only depending with the engine size and the drive train of the vehicle. For us to check why are you having such issue can you tell us the if your 2003 Ford F-150 XLT is 2WD or a 4WD and can you tell us the engine size of your vehicle? Can you also, confirm if you are having an issue only for the Passenger Side? We have sent you an email to better assist you with your concern. Thank you.

Hi Charles, Good Day! Thank you for your purchase. We pride ourselves in selling good quality parts at reasonable prices so we are quite saddened and embarrassed that we fell short in your case. We will definitely relay your comments about the product to our supplier so we can address the issue on quality. Thank you for pointing this out to us. Our record shows that the Catalytic Converter you ordered is match for a 2003 Ford F-150 XLT, however, the part will fit only depending with the engine size and the drive train of the vehicle. For us to check why are you having such issue can you tell us the if your 2003 Ford F-150 XLT is 2WD or a 4WD and can you tell us the engine size of your vehicle? Can you also, confirm if you are having an issue only for the Driver Side? We have sent you an email to better assist you with your concern. Thank you.