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EPA Approved Converters vs. EPA Compatible Converters
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Last modified: 1/24/24
On the left is a cheaper EPA Compatible Converter and on the right is an EPA Approved AP Exhaust Converter.

Below we will list some of the differences between the two and what to look for so you dont get fined in the future.
All converters that are sold in the United States are required to be EPA approved by the federal government. Unfortunately, there are converters being sold that are not EPA Approved but are claiming to be EPA Compliant. We have been informed by our suppliers that these EPA Compliant converters have less precious metal in them. As a result, it causes premature engine lights to go off and codes coming up for O2 sensors and other issues.

If the installer replaces the converter and the EPA checks the shop and the shop cannot prove they were EPA Compliant, they can be fined up to $10,000.
Looking at the above picture you can see some differences.

1. The flanges, couplings, and pipe size are wrong.

2. Oxygen sensor bung is in the wrong place.

3. There is no warranty registration.

4. NOT EPA APPROVED. CLAIMING TO BE EPA COMPLIANT.
Below are pictures of the installation instructions and the warranty information. Keep the first and third copy of this on your records to prove that this was an EPA Approved Converter.
The first copy on the warranty form is for the installation facility to keep.
The second copy on the warranty form is for the customer to keep.
The third copy on the warranty form is to be stuffed inside the original converter.
The fourth copy on the warranty form is to be returned to the manufacturer.