Heard of this product from a friend put it in my dads 2001 Peterbilt Generator after about 2 min of running it quieted down and I couldn't even tell it 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

I tried Cerma in my truck first and after 1 1/2 months my gas mileage went up by 3 mpg . My 2006 Jeep Grand Cherokee 3.7 L went from 14 mpg to 17 mpg Read more

Hello John,

My Cerma Story #1) Treated a Chevy a week ago. Someone very close to me, I cannot disclose who, got out of the car today and removed some 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 used Cerma STM-3 Engine Treatment in my 2002 Toyota Sienna Minivan; Fuel mileage went up from 260 mile per tank to 355 miles extremely happy with gas 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

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

CERMA is the real deal! If you follow the instructions after applying product to your oil, you will notice less noise, better fuel economy, about 1.5 Read more

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

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

Thanks for the emails, i am getting better gas millage in my bike, was at 39 MPG. I am now getting 43 MPG after 300 miles of riding on Cerma! --Greg J. Read more

Doing its magic with my '03 odyssey ! I really did not want to have the AC overhauled very pricey money I don't have so why not try this and see what happens Read more

I have been using Mobil 1, Shell Helix, Castrol Edge, and now Cerma (Cerma is the best motor oil I have ever used) At first I thought it was my engines Read more

Did a test session earlier, the initial run since adding the CERMAX 5W40 oil plus the manual transmission treatment.

First thing I noticed when shifting Read more

Update: My 2004 TC now has 349,000 miles. At 288,000. It was using a qt of oil every 500 miles now it uses a qt at 4,000. This van has another 100,000 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

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 have purchased 2oz of CERMA engine treatment with STM-3 and got a free 2oz of Fuel Treatment. Thank you for the gift! Vehicle is: Subaru Legacy 1997 Read more

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

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've already used Cerma STM-3 Engine Treatment on 1 vehicle and plan to use this shipment to do a second. Great product, great support. I love this product, Read more

Dear Great Cerma Product, I have just used the transmission and engine treatment. So Far So Good. I notice an improvement with the transmission, and the 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

So...I just got the oil changed to Cerma 5W30 and could feel a huge difference just starting the car up. Engine vibration in the pedal has gone almost 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