⚠️ OFFICIAL CUSTOMER WARNING — ADD AUTOMOTIVE / ADD A CAT®WARNING: UNAUTHORIZED WEBSITE ADVERTISING ADD A CAT® PRODUCTS ADD Automotive is issuing an important notice to customers regarding AutoMeasureGear.com. We have discovered that AutoMeasureGear.com is advertising ADD A CAT® catalytic converter shields at significantly discounted prices while displaying our original product photographs, descriptions, and registered trademark without our permission. AutoMeasureGear.com is NOT an authorized ADD Automotive / ADD A CAT® dealer, distributor, or reseller. ADD Automotive has not authorized this company to represent our brand or use our original marketing materials.
Five Years of Proven Protection: est. 2021
Since 2021, we have not received a single report of a catalytic converter being stolen from a vehicle with a properly installed ADD A CAT shield.
Eligible ADD A CAT shields include a one-year theft-protection warranty. If the catalytic converter is stolen while the shield is properly installed, we will refund the shield’s purchase price, subject to the warranty terms and conditions.
IN-STOCK ORDERS SHIP THE SAME OR NEXT BUSINESS DAY.













