About The Catlock® and Catlock 2.0

The Catlock® was designed for any truck, van or SUV owner in the U.S. and U.K. to quickly and inexpensively protect their vehicle from catalytic converter theft.


The Catlock®'s steel plates adjust to fit the various-sized catalytic converters of nearly every make and model of at-risk vehicle (trucks, SUVs and vans) in the U.S. and U.K.

Every component of The Catlock® consists of high-grade steel, including the aircraft-quality cable used to secure the catalytic converter to the vehicle’s frame.


Installation requires only a standard wrench and a 3mm Allen wrench and much of the assembly is done by hand without having to be under your car.

And now, The Catlock® 2.0 has arrived, featuring 100% Grade 8 bolts and not one, but two 1/4"-aircraft-quality steel cables.

To learn more, read The Catlock® installation guide or send us an e-mail.
If you’re ready to protect your catalytic converter now, order The Catlock® today!

About Monat Technologies

Monat Technologies is a Phoenix, Arizona-based LLC established in 2008 by Ian Monat and Steven Meislahn. After the catalytic converter was stolen from Ian’s Toyota 4Runner, he set out to help others victimized by catalytic converter theft, by creating an effective and easy-to-install catalytic converter anti-theft device sold at an affordable price.

With the help of the Innovation Advancement Program (IAP) and Sun Devil Entrepreneurship Network (SDEN) at Arizona State University, Ian met Steven, a talented mechanical engineer, and Monat Technologies was formed.

The Catlock® underwent dozens of design iterations and months of strenuous product testing before its current design was chosen for its simplicity and versatility. All the while, Monat Technologies partnered with the IAP for assistance with market, financial, and legal matters and engaged local suppliers to bring The Catlock® from vision to reality. We are excited to offer you The Catlock® and we hope you’ll gain peace of mind knowing your catalytic converter is under your vehicle and not in the hands of thieves.

• Learn more about the IAP at: http://law.asu.edu/techventures
• Learn more about SDEN at: http://sden.asu.edu/