It works!!
From The Sarge of Toms River, New Jersey on 11/21/2019.

I been using this product for some time now. I have used in Domestic and Asian production vehicles both new and over 100K with great noticeable results!!

Response from zMAX: That's great! Thanks for being a zMAX customer!

270,000
From Southwest of Chino, California on 11/21/2019.

Bought a new Tahoe in 2004, have been using zMAX every 3rd oil change. Now in 2019 have over 270,000 miles and runs like a new SUV. Thank you zMAX...

Response from zMAX: Here's looking forward to another 270k miles! Thanks for being a zMAX customer!

awesome stuff
From Roger Cottingham of Rockwood, Tennessee on 10/18/2019.

been using this for many years and love it

Great use it every time I changed oil
From Anonymous of North Las Vegas, Nevada on 10/10/2019.

I have used it for years now and I have had no problem with the engine of either one of my vehicles. Easy to use pour it’s desired amount into the oil, the transmission, gas, and power steering!

Use it!
From Carl Terry of Las Vegas, Nevada on 3/29/2019.

I use this product in my vehicles every oil change. My wife's car has 90,000 miles and my truck has 348,000 miles and still going strong. Runs great and no smoke.

Response from zMAX: Great to hear! 348k and still going.