The best. Powered up my 12 year old truck -- it feels like new. I have a Ford F250, 2003 with 200,000.00 miles and in good shape, but after I used this product I felt the change -- more power, quieter, faster to respond. I feel like I have a new truck. I also did the transmission, did not feel any changes but for prevention. However, the engine treatment -- wow, right away ...recommend it to all my friends. -- Giovanni via Amazon (Verified Purchase)

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. I am planning another dyno tuning in the next few months. I expect a 6 to 10 hp increase (280 rwhp now) and an equal increase torque. -- J. Dwight via Amazon (Verified Purchase)

The boat is going over 28 MPH. Granted clean bottom and props but I don’t believe it ever went over 26ish on this boat. It is a 40 FT Meridian Yacht weighing 17 tons. Top end speed was increased about 10% and that is before we start with the CERMAX Motor Oil.

I added the Cerma to the engine (7.3L IH diesel) and power steering box but not yet to the rest of the drive train. When I first put my foot on the gas, my diesel ran like a gasoline engine smooth and fast. Had to slow down on purpose. Gave Cerma and you a plug on one of the shows I did including your #. Hope it brings you business! Be well and God bless, --Dr. Wong (admin move Original post: Apr 12, 2012)

I am a journeyman machinist/machinery mechanic automotive enthusiasts with 40 years of formal and trade experience.presently I am rebuilding/upgrading a 1991 ford tempo and writing a book.during upgrade research i found about Cerma.as it is a coating, i was EXTREMELY concerned about the possibility of oil flow problems that other DIFFERENT product companies historically had.I spent 24 hours reading every word on this website AND contacted TWO people that provided testimonials. They both confirmed use and excellent results.I then grilled the inventor John Murray for hours with every conceivable problem. John patiently educated ME in this REVOLUTIONARY new technology, and addressed the inherent inadequacies of ALL known lubrication currently in use.

Finally I tested cerma in the transmission. I was informed that it would make it quieter in 20-30 seconds. Previously i had flushed ,new filter and installed the best special upgraded heavy duty fluid !
available.the transmission seemed 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 got for my tranny? -- Joe Matteis Branford, CT via text from CermaLube

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 tank claiming to "fix" rough starts, all of them failing miserably. I ran the Cerma fuel treatment through and sure enough, next day, my truck started up beautifully. That was enough to convince me to try the transmission treatment to see if it could handle the transmission issue, sure enough after running it through my transmission for a couple hundred miles, 1st to 2nd smoothed right out. Now I've got the engine treatment. This is the only liquid I've ever seen that actually not only works and does what it says, but exceeded my expectations. Excellent product! -- CJ, Danbury, CT

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 me to try it. After adding to the oil, I noticed a problem of concern: at the stop light, my car was so quiet i couldn't hear the engine running -- i had to check the RPM's to confirm. Even BETTER, my engine temperature very soon dropped a couple of notches, from "top" of the idiot thermometer image to the very bottom of it -- and, years later, it has NEVER climbed again. And the engine runs smoother .... and at about 150-200 RPM lower to achieve the same highway speed. Friends have noticed the same ..... i tell everyone. So -- what are YOU waiting for? --- John T. Humble, TX

I bought a bottle of Cerma on the recommendation of a friend at work. My 2001 Pontiac Formula had a lifter tick that I was hoping to get rid of. After putting in the Cermax and letting the engine run for 5 minutes, the tick was GONE! He later asked me if my car had more power, but with the LS1 (300HP) engine I couldn't feel any difference. But at 70mph my engine RPMs went down from a little over 1500 to 1250, so I can say that my engine is making the same power without working as hard. Getting rid of the lifter tick was worth the price alone! Thank you, Cerma!

Richie, Iowa (Aug 12, 2010)

My name is ECS, i was introduced to your product by a friend. I spoke with John your technical analyst and asked him if this would be a good product for my car he said that indeed it would. I ordered one bottle of the Cerma Engine Treatment and used it in my car for approximately 500 miles before i needed a smog check . When i went to get the smog check the attendant indicated my car might not pass the test because California had changed their smog levels as of January 1, 2011 and some older cars could not pass.
So i left the car with him to check it upon my return he said the pass with flying colors and added that it was running better than when it was brand new. You can compare the results of the tests below. This product is everything it says and some.
Thanks, ECS (Ernest Strong via email Tue, Dec 6, 2011 at 2:28 PM)

At first I thought this was another slick50 type product but after checking out the website and finding no bad reviews I said what the heck let me try it. I've lost money on slick50, prolong, and zmax so what's one more. I put Cerma STM-3 Engine Treatment in my 1988 Mercury Cougar XR7 5.0. I was surprised that I actually felt a difference. The engine is running smother. I have 162,000 original miles on the engine and put on 500 mile after adding Cerma. I just have to say with all my heart, Thanks Cerma! Oh my car thanks you too.

Anthony Salon
IP address: 100.1.80.59 07/05/2013, 08:47 PM

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

Dear Cerma, I started using your products in the summer of 2013. I travel all over the country in my 1991 Dodge D250 two wheel drive with a 5.9 L Cummins turbo diesel. I have a topper on it and drive between 57 and 60 mph when on the highway. I always fuel up the same way and avoid biodiesel when I can help it (Affects my mileage drastically). I averaged about 22 mpg before I started using Cerma engine oil. About 6 months into using the Cerma I noticed my highway mileage average coming in at around 23.4 to 23.9 mpg. A year later I was averaging 25.5 mpg. This last run I had from Ohio to Florida on consecutive tanks I averaged 27.2 mpg with a high this year of 28.1 mpg (I attribute the 28.1 to driving a almost 300 miles at 45 mph and not my usual 57 to 60 mph.). The other thing I noticed is the color of the oil on my dipstick. Before Cerma I used Shell Rotella 15w -40 and changed it every 5,000 miles. After every oil change the oil was just as black as it had been before I changed 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 is the real deal! I will be ordering more and will treat the transmissions and a/c units and see what that will bring.

– Brent Richards (09/11/2012, 11:49 AM)

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 was running a little cooler then normal and when I stepped on the gas, the knocking/pinging sound was gone and the pick up was almost like it was years before when I first drove it. After another trip or two on the freeway I noticed the truck was running smoother and the smooth and quite pick up was the most notable advantage. On another trip through the desert on a hot day, as we were starting up through some mountains, we had the air conditioning on. Normally we would have to turn off the air as the truck would get too hot, but on this trip with the Cerma installed, the air stayed on the whole time and we were able to keep up with the newer vehicles with great pick up like the Tahoe used to be when new. I 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 saved. I also used Cerma in my 2000 Dodge Caravan SE; Fuel mileage went up from 245 miles per full tank to 350 miles now. Lastly, I tried Cerma in my 2010 Dodge Grand Caravan SE FLV; Fuel mileage went up from 235 miles per tank to 365 miles per tank. Also, I now change my oil every 4000 mile ... not 3000 miles as I used to. Thanks.... Cerma! – OKTAY TUZER (03/07/2012, 09:51 AM)

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, you can feel the increased power through out the power curve and I fill up less than I deed prior to treating my engine and am now running the incredible EVO oil. If you want the very best for your vehicle then you need to try it out for yourself, you will not be disappointed.

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. -- Robert F.

Hello Jim,

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 putting Cerma in my 2004 Ford Edge Ranger with a V6 3.0 engine there was an increase of 17 miles with the first tank of fuel. The second tank of fuel there was an increase of 37 miles per tank. I was extremely pleased with the increased performance of my truck.

I am very impressed what my truck now achieves simply by adding Cerma. I could not believe it. As you know, Cerma was added to my wife’s 2000 Honda Accord and I will be able to report back to you the results soon.

Thank you for bringing this new product to my attention.

Regards, Robert Wilder
Clear Lake, IA 50428
Admin move from previous site. Original post: June 5, 2012

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 and they are running like new, if not better than new. Keep up the good work. Now I'm going to get the air cond. treatments for them and the house. Brad T.

Update: 2/25/15: I love the Cerma engine treatment. I now have 800 miles with the engine treatment and my 2007 Chevy Colorado has never ran better, and I bought it new with 13 miles on it. It purrs when I fire her up in the mornings with no vibration, and it used to vibrate bad, and what's crazy is I really thought that it was all in my head and that my truck would go back to normal after a week or so ,but it hasn't. It's only getting better. This stuff is so good I Just bought two more for our car and minivan and Three bottles of the trans. treatment. Can't wait to check them out. Thanks, Brad T.

Original 2/9/15: Just wanted to say that I poured in the engine treatment this 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 my Mitsubishi Challenger(see attachment) 4x4 engine which is a 3Ltr V6 in the engine and the transmission. I followed your recommended instructions for the run in, drained the oil out of the engine and refilled with new filter, and had the automatic transmission fluid completely replaced. This vehicle had done 260,000 kilometers and still had the original engine and transmission. It is now at 289K and had 3 further oil and filter changes, and I can tell you that the result has been nothing short of astounding. The engine was starting to smoke before I put the Cerma it in, This has disappeared completely. These engines are well known for lifter chatter. It has none of that. It is so quite, and vibration is so minimal, that my friends marvel at it when I tell them how many kilometers it has done. It has increased in power and responsiveness Read more

CERMA changed my old engine with 225,000 miles to a NEW engine with a power never seen. When I received the package, i opened it and i was suprised seeing the little bottle that i bought for 100 USD. When i am back to Haiti, i added the contains to my engine with 224,000 miles (Montero Sport 1998 ES I4 2.4L) immediately i feel my older engine is not the same, i got a new engine more powerful. my car is going to develop a power never seen since i bought it from Atlanta USA. This product is simply the best in this category. By Zerocool on Jan 05, 2015 via Amazon

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 we first bought the Jeep we were averaging about 16 to 17 miles per gallon. I put Cerma in the engine, transmission, transfer case, and rear differentials and after we are averaging 21 to 22 miles per gallon. My wife and I have also noticed an increase in power and the smoothness of shifting gears and the ride.

I also own a 2005 Honda VTX 1300 and decided to try it with the motorcycle to see if there was a change. I added Cerma to the engine and transmission and noticed an increase in power, have smoother shifting, and don’t have to choke it to start it like I had to before. I was sold.

I have since used Cerma in just about everything I own, from my kids’ go-karts to all of our vehicles and have gained fuel economy and power in all of our vehicles. From here on out, I won’t drive anything without adding Cerma to increase our gas Read more

9/10/2015:
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 ago the transmission randomly clunked a bit when stopping at lights. This clunk pretty much progressed to almost every time I stopped and was quite loud. I put the Transmission Treatment in before going on a 40 minute drive. My friend said, “If that fixes that clunk, I’ll call it a miracle.” I stopped at a couple of lights on the way and it was still clunking, however by the time I reached the 3rd set at around 15 minutes on the road, it stopped completely. Then all the remainder of the trip...zero clunk! It still happens on a rare occasion but is 95% better. It’s a miracle!
P.S.: To me, the photos below are visible proof that Cerma continuously keeps engines clean. After seeing photo (left) posted 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 be the equivalent of having a 20” barrel, as well as a legitimate 150 fps boost in a 40 cal Sig P-229R. Now when cleaning time came around, both guns pretty much wiped clean with minimal fuss. I am looking forward to tinkering with this product and can see that it also has some potential for USPSA shooters who have to meet a minimum power floor providing extra velocity without pressure increase.

Thanks,
Corey Vento- Police training officer
Norwalk CT Police Department
203-854-xxxx

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. -- Scott S. via Amazon (Verified Purchase)

Transmission Treatment: Bought a car with over 222, 000 miles on it. Added it, and the trans works great. Still not finished yet. Much quieter and smoother. -- Scott S. via Amazon (Verified Purchase)

Fuel Treatment: Worked as advertised. Car runs smoother and got over 33 miles per gallon on a recent trip. Not bad for a v-6 with 234,000 miles on it! -- Scott S. via Amazon (Verified Purchase)

Power Steering Treatment: Worked as advertised in both cars I used it in. Especially my older Suburban with 223,000 miles. Had a pesky power steering unit that was giving me problems, but not any more! -- Scott S. via Amazon (Verified Purchase)

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 Leckington (03/07/2012, 03:58 PM)

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 v8) it had a slight tick at high rpm/high speed, i didn't make loud noises/vibration. i received the Cerma engine treatment very quickly ( fast shipment), eager to try. i used as instructed and im very impressed thus far with the results. improved pick-up, engine is quieter, ticking at high speed gone :D. i believe i will consider purchasing other Cerma products. please note this has been only the first day, will update if anything changes/improves. have a great day -- Stephen Reposted from http://www.amazon.com/Cerma-Gas-Ceramic-Engine-Treatment/dp/B00AZONLUC/ By stephen on May 23, 2013:

Hi,
Well I have been using Cerma in my 2002 Toyota RAV-4 with 130,000kms.
And what a difference, my gas mileage has improved 15-20% avg, the engine has more power, and seems smoother. I am really surprised that such a little bottle of fluid actually made a big impact. I'm sold for life ..:)

Really quite pleased, so far I have about 400kms in usage, I plan to take it out around 900kms. The gas savings alone was such a big help, thanks guys for making something that actually made a difference in the way my car drives.
Cheers, Nick

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 System application which is viscosity sensitive according to the manufacturer. Best regards & have a great day. Posted: Aug 19th 2014

Purchased CERMA STM-3 a few days ago. After 400+ miles, my Chevy's running a lot smoother & quieter. I've noticed a slight increase in MPG. CERMA-STM3 really works! Thank you very much for an outstanding product. Update: Aug 28th 2014

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 purchase. I also received a complimentary 2oz fuel treatment. Most companies would have just taken my order and my money, but this shows that these people are honest and care about what they do. Thank you Cerma. -- Tyler C.

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 forward to ongoing improvement. The transmission shifts like a dream and the power steering no longer "groans" at low speeds. Thanks for some great products. -- Raul

5/15/15: I spoke with you when I first read about Cerma and have since purchased the transmission, power steering and oil treatment for my two vehicles. The 1997 Toyota is running even smoother than before. Transmission shifts like a dream and the power steering has quieted down by about 50% and continues to improve with more driving. My Mercedes also runs like a dream and engine noise except under heavy acceleration is almost non existent. Thank you for the product and the guidance. -- Raul

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. i was recommended to use Cerma by panacea bocaf in brisbane australia. I had nothing to loose so warmed up the engine and poured a bottle into the motor and wow!! what a difference it made in just about 10 minutes. The ticking / knocking noise was gone, the check engine light turned off and red oil light turned off. i was stunned that a product could do this. Mate this Cerma product is liquid gold as far as I am concerned. the more km i drove the better the motor sounded thanks for saving me from spending big $$$$. i will always use this product for any future vehicles I will own. -- Robert K. (Laidley, Australia)

What the ......, this stuff actually works!
Here's the story...1990 Mitsubishi Montero that I bought new. First it was the unofficial Cheerleading Team vehicle for my daughter and now it is the unofficial Baseball Team vehicle for my son. Currently at 144,853 miles. I was turned on to CERMA by a gear head/mechanic friend of mine who swears by this product. Honestly didn't believe him, I actually tried it to sort of prove him wrong! Engine oil treatment first. When I added the treatment the engine ran smoother and quieter, literally within minutes.

Drove the Montero like that for around 2,500 miles then did an oil change. I did the oil change myself with the aforementioned gear head/mechanic. (By the way, the oil came out very dirty as a result of the treatment cleaning the engine). Added CERMA Motor Oil and noticed more power, and even smoother running than before.

NOW HERE IS THE KICKER.......my friend had the oil that we took out tested and the test showed that I have anti-freeze 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 and went to investigate, it sounded like a bad bearing, I opened the case of the furnace and it got louder, shut furnace off and noise quit , I touched the induction blower motor and it was very hot, I vent out to garage found a half empty Cerma bottle and dental syringe treated the bearings on every side I could reach worked it in by turning the gravelly feeling motor by hand until it seemed to loosen up, I reinstalled the motor and was instantly and vary noticeably better, it was working so well by the time the new one arrived, I put on the shelf for a backup. Thanks John L. , John, Mike, and Dea for introducing me to Cerma it has truly been a life saver!!!

TRY THIS IN YOUR ENGINE.........I was amazed, within 15 mins how better my engine sounded and now my car rides as good as ever........Cerma is awesome. (Facebook Post 2)

Gave the Cerma Motor treatment a try and the oil, and I must say that my car has never run better. I went from 23-27 city highway, to 28/35 in just one treatment. My car has 113k miles on it and I just took a trip up north and drove 2k miles back and forth and the car ran great. You have to give this a try....just after 15 minutes you can hear the engine run smoother.....its incredible.....Thanks Cerma! (Facebook Post 1)

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 made me forget the pump. Suggestions for a new pump? -- Peter P. via Amazon (Verified Purchase)

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 this, wish could afford more often tried others this works the best for me an my 6.0. Great product the Diesel fuel treatment better harmonics an better MPG so much so I am ordering again. -- D. Watson via Amazon (Verified Purchase)

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 left easy! It runs great and is the best running cab in Myrtle Beach. Thank You Cerma!

Original: Just finished 4800 miles on the Cerma STM-3 Engine Treatment. Wow, my 298,000 mile cab was using a quart of oil every 900 miles. Now not a drop . It runs so quite, you can't hear it run !! I'm impressed! Also added the Cerma Transmission Treatment. As I service my transmissions every 35,000 miles, they are well maintained, but after the transmission treatment you sent, it is much smoother!! Wow!! I have a lot of cabbies asking me about the product. Thank you -- Wade

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. Lead staining and haloing left on the front of revolver cylinders that require a little wire brush scrubbing I use the Cerma lube for this. The spray works good on the actions. I use the lube on slide rails, slides and the outer surface of high friction areas of the barrels. I have recommended the products. -- Dale W. / DWJR Firearms Training / Rochester, MA

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 life was up, but when I tested Cerma my engine came back to life , on my second car the same thing happened. the piston rings were worn out and I had this changed, and your Cerma oil is all it will ever use.

My cars were a Mercedes SL500 12 Cylinder and Audi R8 8 Cylinder

So here we are at 50,000 miles. Picture here is the cleanest intake valves ever seen on a GDI motor, by two EQUUS techs with 35 years experience between them. CERMA works. Way beyond anything.... Those of you contemplating its use, what are you waiting for. The SS turbo is going to heat up everything, CERMA AT fluids and AT treatments will enable the car to handle it in conjunction with some race quality SETRAB cooling products. Those that doubted and still won't admit it, .........Show me better, I defy you too. You can't. You won't. See you at 100K guys. -- Peter K. (aka Gaijii)

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 luggage. We averaged 32 MPG, with lots of passing power and smoothed out idle. I have used it since in all my vehicles with more than satisfactory results, and plan on doing all of the transmissions shortly.
Regards, Tom D.

I was a skeptic, but when I added the Cerma Engine Oil Treatment to my Yanmar, the change was amazing! Within 20 minutes the engine smoothed out, became much quieter, and is clearly running much better. I can pull an extra 300-400 rpm – that means more horsepower out the shaft – without smoking from overloading the engine. I’ve also started using the fuel treatment and it seems like she’s running cleaner, too.
Thanks, Chuck W. Danvers, MA

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 this car just keeps climbing in MPG every month. I am currently getting 38.6 MPG!!! Yes I'm very impressed and honestly surprised at the results. It was worth the $$$ for sure. -- Jennifer V. via Amazon (Verified Purchase)

Thank you John,
It was a pleasure speaking to you on behalf of your additives.I was amazed and I'm still smiling and overwhelmed with its results. Sir it’s not every day that actual owner and inventor takes the time to speak to common folks as myself. John you made me a believer and I’m honored and grateful. Once again for your time and wisdom you have a customer for life.
I remain Geraldo A. Colon a Cerma advocate and believer.

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 more fluff than there is results. I am the director of sales for a 500 Million dollar a year company in Minneapolis Minnesota, so I have had many people in my office making quite grandiose claims about “great” new products with little to back it up and results that are less than stellar. Being a fairly skeptical person, it took some persuading for me to give Cerma a try as the benefit claims seemed “too good to be true”. Knowing that my older vehicle (1995 Isuzu Rodeo with about 130,000 miles on it) was only getting about 14MPG, I decided to try Cerma in the late summer of 2006 in the crank case of the Rodeo. Right away (with in a minute or two) I noticed the engine seemed to run smoother and it had quicker acceleration, but “would it last?” I thought to myself. The answer was a resounding “YES”. The mileage went up to an average of 16.2MPG 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!

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 6 oz and the power steering 1 cap. We also have been using the STM-3™ MD at oil changes and have treated the gas with 1 oz approximately twice per year. Last summer in July we got 30 mpg and in November before the winter blend fuel we got 31. We have now tried the new STM-3™ Nano 1 oz in the oil, ½ oz in the transmission and 1 oz in the differential. We drove to Mason City checking our mileage and got 27 mpg on winter fuel. (last year on winter fuel we averaged 24 MPG) we then treated the fuel with STM-3™ Nano ½ oz, and drove the same road and miles home, checked it and with winter blend fuel we got 30.2 mpg. We can’t wait to see what it will be with summer fuel.

Follow up report:
We have used your products Read more

Cerma Engine Treatment. My wife bought a brand new 2014 Jeep Grand Cherokee last September. She had approximately 15,000 miles on the engine when I added the Cerma Engine Treatment. After the suggested 3,000 miles I changed the oil and used CERMAX 5-20W oil. She drove an additional 3,000 miles. The new Jeeps have a built in MPG screen and I almost didn't believe the results. She is getting 4 more MPG on the highway and 3 MPG more city driving. I found this to be almost unreal since this was a BRAND NEW ENGINE!! Excellent product would recommend it and have recommended it to many others! --Dan P. Brookfield, CT

I just wanted to tell you about my Volvo semi that I drive. It is a 2015 Volvo Day Cab with A/T. It now has 39,500 miles on it. I treated it at about 10K and fuel economy increased even though it was a new truck to about 4/10 mile per gallon. When the oil was changed by the company the mileage dropped about 1/10 Mile per gallon (Not Cermax Oil). When I treated the trailer axles I gained about 1/4 mile per gallon. The truck rolls better and I have noticed that when going down hill I gain 4MPH after treatment than before treatment. I checked with one of the other drivers with the same truck running the same route. I am getting even after the oil change 7.3 MPG and he is getting between 7.0 and 7.1 MPG. I also have 8 tires on the ground compared to his 4 tires on the ground. -- Chad S. Osage, Iowa

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 to second was how much easier the gear went in, I actually said "Wowwww" out loud.

Second thing is that the butt dyno felt an immediate improvement in power. Throttling it only 1/3 of the way down in second gear caused the m/w to spray, invoking a verbal blessing of excrement. Boost was coming on so quickly that I had to raise the engagement point (twice) to restore some throttle linearity. I have to confess that I didn't feel much with either of the treatments (engine & nano) individually after they were added and worked in.

After adding the Cerma Motor Oil, the performance improvement is astounding. Never before have I experienced anything of the sort by merely changing the oil.

Really impressive.
copied from: http://www.velosterturbo.org/forum/ veloster-maintenance/5282-good-order-85.html

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}, transmission, and both rear axles). Within 50 miles 95% vibrations were gone, stack smoke was all but gone, and pulling first load with 68,000 lb payload, said truck walked off from a truck carrying same load that usually out performs treated truck. Also sealed oil leak on compressor head.

Second truck treated, has 1,500,000 plus miles, was basically parked in grass retired. Compression was low enough that either had to be used to start. Front bumper had 1.5 inch vibration both ways before treatment, and mirrors would have to be held to see clearly backing up. After treatment, truck will start without either, hence more compression, less than 1/16th inch bumper vibration both ways, and mirrors do not vibrate. Minimum stack smoke.

This Cerma product is awesome stuff!

Everett Schaffer
Co Owner E & C Transport, Inc / Terminal 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 Wagon , VIN: xxxG5LJ4WG08xxx, European version, 2.0lt. Engine, AWD, NON Turbo. Mostly driven on LPG(85-90% of the time)!!!

I have just added 1oz of Fuel Treatment to half a tank (full tank is 15.9 Gallons) and only after 50km driving my very old “piston knock” was gone. Seriously, I have not yet touched the 2oz CERMA engine treatment.
This thing (Cerma Fuel Treatment) scares me, just like it is an alien technology. Considering that in March 2014, I tried a “Nano Energizer” from Korea and it only worked for a month. Now I have the “X-1R Engine Treatment Concentrate” (March 2015) and the knocking is still here, or I should now say WAS, since after Cerma Fuel Treatment, it is gone. ---Best regards, Ivo K.