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 Package) and based on the success of your products in my other vehicles! 1997 Toyota Avalon, 1991 Mercedes 420SEL, 1988 Cadillac Read more
I used the Cerma foam treatment in the following handguns: .44 revolver, .357 revolver.40 semi, .357 sig semi and AR 15 .223 rifle so far. I am very pleased with the results of all barrels. Next shooting session only required the use of bore snakes to clean the small amount of debris. Read more
We drive a 2005 Ford Escape that we leased new. The sticker for mileage said 19 city 22 hwy and we got an average of 20.5. We tried the cerma with stm3 over 2 years ago and have treated the engine oil 2 oz of STM-3™ metal treatment in the transmission 2 oz, STM-3™ in the differential Read more
02-23-2016, 10:09 AM
I will say I'm only 2 days into the treatment with 22k miles on the odo only 100 miles driven since treated and already 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 was 16.5. At 184,619 miles, MPG average was 17.0. At 184,938 miles, MPG average was 22.2. Quite a difference, impressive. The Read more
I just want to state that other than an amazing product, this company has amazing customer service. The day after ordering my engine treatment I received a call to inform me that I did not need a full 2oz, and then they asked to change my order to a 1oz and refund a portion of my Read more
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 was running.. Can't wait to put it in the engine and see what kind of fuel mileage he gets. Great product very satisfied. – John 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 and the engine had a knocking / ticking sound in the motor yet oil level was normal i knew i was in for a big $ repair job on engine. Read more
I was your biggest skeptic. I bought the Cerma Engine Treatment because of how passionate you were about the product. It has been sitting on my toolbox for months. I put Ii t in the bike today and within an hour I noticed it working. Wish I hadn’t waited so long. What have you Read more
Hi, Just wanted let you know about the incredible results experienced with your Auto Transmission Treatment. I had already used the Engine Treatment around 1 ½ years ago and then added the Transmission Treatment in March 2014. When I first bought the car around 6 years 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!
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 50 miles today, gas mileage is up about 2 miles a gallon. Will switch to Cerma Oil in about 3k miles. -- Sherman J. Round Rock, 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 like a "swiss watch" As long as CERMA is around I will be a Loyal customer, Thanks!
Re-posted from General Testimonials Aug 22/2010 Read more
I would like to thank you for introducing me to Cerma and to such a quality product.
I am a certified Automotive Service Excellence Master Technician with 53 years of experience. I am always interested in the latest technology for automobiles and machinery. After Read more
Engine Treatment: Added CERMA and gas mileage has increased and harmonics are much better. Love to drive my car more than ever. Bought a car with over 223,000 hard miles. Added CERMA and gas mileage has increased and harmonics are much better. Love to drive my car more than ever. 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 well its only been two days and all ready there's a improvement. -- Tomster via Amazon
Unbelievable MPG increase!! My new 2015 subaru outback 3000 miles had 27.4 miles per gallon. I added this to the oil chamber under the hood, reved the engine up to 4000 rpm's for a few minutes, then drove it hard for 30 minutes on streets and freeway mostly. It's been 8 months and Read more
I am amazed at this product. I put Cerma STM-3 in my 2009 subaru imprezza and went from 33 mpg hwy. to 38 hwy! the engine seems to be so smooth you can't tell it is running! So then I put it in my 04 dodge hemi sport truck and went from 15.5 to 19.5 mpg hwy! unbelievable!! this stuff Read more
My car has a 1993 mustang motor and 5 speed transmission in a 1993 miata. I put both the engine additive and the gas treatment in the car at nearly the same time. The car definitely runs more smoothly. Throttle response is much improved. Oil pressure is up 5 lbs. I am very pleased. Read more
O ahhhhhhh mazing :) At first glance, i thought the price was a little crazy.but some in-the-know car guys that i know convinced me to give it a try, and i probably shouldn't have tried it on my only vehicle, but what the hell :D. my vehicle wasn't in bad shape (2004 silverado 5.3 Read more
I came across the Cerma product when we were looking for metal protection from our hydrogen units in gas burning engines. I first tried the Cerma in my 97' Chevy Tahoe, which had over 185,000 miles prior to using it. After about 10-15 minutes on the freeway I noticed the temperature 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 this stuff! --Ethan M. via Facebook
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. The Cerma product worked almost immediately to quiet all noisy lifters and they have remained quiet for the last 30K miles on an 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)
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 try it out....definitely amazed!!! ... Dropped engine running temp by almost 20 degrees.” -- Josh Borne
Josh Borne is a championship Read more
Hi John. I decided to try Cerma and my first use was in my daughter's 2002 Mazda Tribute with about 100,000 kms on it. It was running a bit rough and mileage was low 20's per gallon. I treated it and then we went on a family trip, loaded with 4 adults and full of golf clubs and 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 engine seems to be idling smother and faster. I expect to be most pleased with my investment on a 191K mile CHEVY Venture 3.4 van. Read more