I must admit that I tend to view products with skepticism however the proof was in the data. I saw a legitimate 200 fps gain in a 16” AR-15 that would Read more

In my application, 1991 BMW 750i 5.0L 12 cylinder, I was mainly trying to correct annoying hydraulic lifter noise without having to replace any lifters. Read more

Hullo John,
I bought 1 bottle of Cerma STM-3 Engine Treatment and 1 bottle of Cerma STM-3 Automatic Transmission Treatment from you in May 2008. I treated Read more

GREAT product I use CERMA in EVERYTHING from my TORO push mower to both my Chevrolet vehicles with GREATLY improved gas mileage & lawn mower that runs Read more

My fiat now runs like a 6cyl. Boy has it got power. It now beats lots of 6cyl. I did my engine using EVO oil and fuel treatment. -- Bill D.

YOUR ENGINE TREATMENT IS THE BEST VALUE FOR THE MONEY AVAILABLE IN THIS OR ANY OTHER WORLD. IT WORKED SO WELL ON MY INCURABLE INTEGRA ENGINE, I ALMOST Read more

I put Cerma Engine Treatment into our 1987 Suzuki Samurai. It completely smoothed out the idle, and improved our gas mileage by about 18% right away! Love Read more

Fuel Treatment from April 14th, 2015: Great stuff. My gas mileage definitely goes up steadily, as per my digital gauge, when I use this stuff. I absolutely Read more

i bought a ls1 5.7l VZ Commodore Utility at auction driving home the check engine light was on ( engine code low oil pressure) and the oil light came on Read more

Well its finally complete,.. my VT has been engine treated, 6000 mi. ran in, and turbo treated, 6500 miles ran in. 7500 mi. can around, the "carrier" Motul Read more

I put Cerma Trans in and have noticed the trans shifts better and the temp gauge is reading cooler.

– Drew (10/25/2012, 09:35 PM)

Cerma makes everything run smoother. I was skeptical of Cerma at first, but decided to try it. For example, my wife owns a 2000 Jeep Wrangler. When Read more

I think we performed a pretty significant experiment with your product today. My training officer did not return to the office but I will get more information Read more

I recently SiC treated a 1100cc motor on a 1984 Honda v65 Sabre VF100S and began with these compression numbers:

Cylinder #1: 120/170 Cylinder Read more

I am a journeyman machinist/machinery mechanic automotive enthusiasts with 40 years of formal and trade experience.presently I am rebuilding/upgrading Read more

I am writing you today to let you know how pleased I am with your product (Cerma). I have seen many products make many claims and usually there is a lot Read more

6/3/2015: John, I have been using the Cerma Evo grade oil in my 2012 Prius for over a year now an was thrilled to get 53-54 miles to the gallon. Recently, Read more

Thanks a lot for explaining in detail how Cerma STM-3 works. I'm going to purchase & use one. My vehicle uses 5W-20 engine oil. Its engine has a Multi-Displacement Read more

Dear Cerma, I have attached a photo of the average MPG on the 2008 Cadillac Escalade which was treated at 183,743 Miles. At 183,901 miles, MPG average Read more

Just treated my 2007 Toyota Avalon with the Cerma Engine Treatment and the Cerma Transmission. Car is running smoooooth (the vibrating is down to almost Read more

I put both transmission and engine treatment in our Maxima last night,drove about 35 miles. I noticed a smoother running engine right away. Drove another Read more

What the ......, this stuff actually works!
Here's the story...1990 Mitsubishi Montero that I bought new. First it was the unofficial Cheerleading Team Read more

Just a quick note to tell you what Cerma has done for my trucks.

We put Cerma in the whole system of one truck with 798,000 miles, (engine {470 Detroit}, Read more

This stuff is crazy good although I need to replace injection pump on my Mack 350. This product made the truck run the best it has done for a year. Almost Read more

Thank you Cerma! The day I put Cerma in my engine it smoothed out my choppy idle at 800rpm. And even today it is still getting 5.5mpg to 6.0 mpg driving Read more

Good afternoon,
I wanted to report your product results for my 2009 Kia Optima with 35k miles. I added a bottle to the automatic transmission and have Read more