Wanted to update on the Lancer. We are 2k miles into the cerma max 5w40 oil and I pulled the dipstick... No joke it looks like I just did the oil change. Read more

Hi John, I want you to know that the Cerma Transmission Treatment fixed my 25 year old BMW M6 manual tranny, which did not want to go into first gear much 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

Purchased a 1990 Buick Reatta with 143,000 miles on it. It runs great and can only run better with the Cerma products I just purchased (Cerma Engine Value Read more

6/5/15: I wanted to let you know my 1997 Toyota is running like a top since I started using your products. I am ready to change to Cerma Oil and am looking 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

Works. 'Lil spendy but damn worked. Bought In april 2014 used in my '04 6.0 F350 4x4 an put some in my dad's dodge '05 3500 5.9 he even commented + on Read more

I have been using Cerma products for close to two years now in my all my vehicles, tractors, excavator and dump truck. I am totally impressed with all Read more

I put it in the engine oil and transmission. Transmission stopped slipping on very first drive home from work. I could not believe it!

John,
I applied the product to my Lexus, and I could tell and real difference in power. If I can get my right foot to cooperate, I bet I’ll see fuel Read more

1st attempt to test this Cerma engine treatment on my 01 Accord V6 - org 68,000mi on SEP-02 2015. Brand new Mobile 1 full synthetic oil w/ Honda genuine Read more

Vehicle: 2005 Chrysler Sebring with 54,000 miles.
Product Used: Cerma Engine, Cerma Transmission, and Cerma Blue Ice
Was skeptical despite enthusiastic Read more

This product saved me from loosing the use of my furnace for a week in December, I was leaving my home in north IA. I heard a strange noise from the basement 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

I have used Cerma for about 4 months on different cars and one small truck.

Our 1991 Subaru was getting 19 to 20 miles per gallon when I treated the Read more

I've tried them all and Cerma is by far the best product on the market! Better fuel economy, my engine runs smother and quieter than when I had it rebuilt, Read more

Hello,
Just want to let you know of the positive results I have had so far: 2300 miles since Cerma was added to crankcase; oil consumption has been cut Read more

Using cerma products for last 2 years and cerma made the truck preform as new with no repairs since using products. Great products!

For a freestyle stunt rider, "heat is the biggest problem for bikes”. "Took me some time to test the product in the Kawasaki, but finally was able to 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

Dear John: I had an appointment with Acura concerning an alignment. My 2000 Acura TL has 302,000.00 miles. As you remember from our phone conversation Read more

Best product yet. I am a contractor. I put a lot of miles on my trucks -- about 500,000 on one truck that I bought brand new 4 years ago. I put in Cerma 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

Several tens of thousands of miles ago, I found out about Cerma Engine Treatment -- yep, I was skeptical. But talking with these wonderful folks convinced Read more

When I first went to use this product, I was a bit skeptical, I had an issue with my truck starting. I had tried every chemical to run through the gas Read more

Update: 4/23/15: Rocket fuel. Just wanted to say that I have now treated all three of our autos with the Engine, trans, and power steering treatments Read more