Can I Sell My Old Catalytic Converter? (Legally & Easily)
Posted: April 25, 2025
Yes, you can legally sell your old catalytic converter if you’re the rightful owner and can prove it with documentation like a vehicle title.
Catalytic converter theft has led to new laws in many states, including New Jersey, requiring ID and proof of ownership when selling. At RRCats, we make that process fast, fair, and fully compliant — helping you turn your used converter into cash without worry.
If you’ve replaced a converter in your vehicle, selling it is a great way to recover some of your repair costs. We’ll walk you through every step to ensure you do it correctly.
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Yes, If You’re the Legal Owner
The key to legally selling your catalytic converter is simple: you must be the rightful owner of the part. Here’s how to know:
- You removed the catalytic converter from your vehicle
- You have the proper documentation, like a vehicle title
- It’s not stolen, “found,” or purchased through shady channels
If you replaced your catalytic converter at a mechanic or on your own, the old one is yours — and that means you’re legally allowed to sell it. You need proof of ownership, and we’ll guide you through that.
What Laws Apply (In Brief)
Because of the spike in converter thefts, states — including New Jersey, where RRCats is based — have passed laws requiring ownership verification and ID when selling catalytic converters. These laws aren’t meant to discourage honest sellers but to stop illegal activity.
At RRCats, we follow every state and federal law, including:
- Collecting a copy of your driver’s license
- Requesting a copy of your vehicle title (or appropriate proof of ownership)
- Verifying each unit before issuing payment
Why RRCats Makes Legal Selling Easy
Selling your catalytic converter legally doesn’t have to be a hassle.
At RRCats, we’re here to help make the process as fast, fair, and smooth as possible. When you sell to us, you can count on:
- Full legal compliance – so you don’t have to worry.
- Step-by-step guidance on what paperwork we need
- Fast payment once we’ve received and verified your converter
- Free shipping on OEM units
We’ve built our business around trust, transparency, and helping people like you get paid for what they own — the right way.
What NOT to Do
Even with the best intentions, there are some things you’ll want to avoid:
- Don’t buy catalytic converters off Facebook or online marketplaces – they’re often stolen or untraceable
- Don’t try to sell a converter that isn’t yours – it’s not worth the legal risk
- Don’t guess what paperwork is needed – ask us!
- Don’t pull the honeycomb material out of the cat – doing this makes it harder to grade and trace.
If you’re unsure, we’re just a message away and happy to walk you through what’s required.
Own a Converter? Sell It Legally — And Easily
Don’t let fear or confusion keep you from getting paid for your old catalytic converter. If you’re the rightful owner, you can sell it — and RRCats will ensure it’s fast, fair, and fully compliant.
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