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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

Mark C. McCafferty, P.E. 1991 BMW 750i 5.0L 12 cylinder Tuesday, February 18, 2014
2002 Toyota Sienna Minivan

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

OKTAY TUZER 2002 Toyota Sienna Minivan Wednesday, March 7, 2012
Ford F-150

The amazing Cerma technology! The reason I say amazing is because I worked at Douglas Aircraft in the engineering changes on the DC-9 program way back Read more

Capt. Gary Pylant Ford F-150 Thursday, September 3, 2015
Ford F350 7.3L IH Diesel

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, Read more

Dr. Wong Ford F350 7.3L IH Diesel Thursday, April 12, 2012
2004 silverado 5.3 v8

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, Read more

Stephen 2004 silverado 5.3 v8 Thursday, May 23, 2013
.357 Sig Semi

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 Read more

Dale W. .44 revolver, .357 revolver.40 semi, .357 sig semi and AR 15 .223 rifle Wednesday, October 7, 2015
2007 Chevy Colorado

Reposted from http://www.amazon.com/Cerma-Gas-Ceramic-Engine-Treatment/dp/B00AZONLUC/ By Brad on February 25, 2015

This is the best stuff I've ever Read more

Brad 2007 Chevy Colorado Friday, May 15, 2015

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 Read more

Anthony Salon 1988 Mercury Cougar XR7 Friday, July 5, 2013
2010 BMW 550i

Hi, After 2000 miles my 2010 BMW 550i it runs better, no engine noise and 2-3 more MPG. Thanks ! -- Stephen K.

Steven K. 2010 BMW 550i Tuesday, March 8, 2016
2004 Ford Ranger

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

CJ 2004 Ford Ranger, 4.0L, non-turbo, 4 spd automatic 4X4 Sunday, May 3, 2015
Ford Escape

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 Read more

Mike and Dea Shoars 2005 Ford Escape Saturday, March 8, 2008
Dodge Ram 250

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 Read more

Tom C. Dodge Ram 250 Monday, October 26, 2015
2000 Acura TL

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

Gerald S. 2000 Acura TL Tuesday, May 26, 2015
2008 Cadillac Escalade

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

Michael H. 2008 Cadillac Escalade Sunday, December 13, 2015

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

PETER V. 89 ACURA WITH A HONDA B-16 ENGINE Friday, February 21, 2014
1998 Dodge Diesel Pickup

I treated my 1998 Dodge Diesel Pickup with 6 oz Cerma Engine| Treatment and the engine smoothed up and has much more power. I am very satisfied with this. Read more

Charles Penner 1998 Dodge Diesel Pickup Wednesday, February 29, 2012
2006 Mercedes E350 4Matic

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

Raul Y. 2006 Mercedes E350 4Matic Friday, June 5, 2015
Freightliner 12.7 Series 60 Detroit

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

Vincent J. Freightliner 12.7 Series 60 Detroit Monday, October 19, 2015

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

Stephen Wild Jeep Grand Cherokee Friday, April 13, 2012
2007 Toyota Avalon

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

Dave P 2007 Toyota Avalon Friday, April 3, 2015
Subaru Imprezza

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 Read more

Brent Richards 2009 Subaru Imprezza and 04 Dodge Hemi Sport Truck Tuesday, September 11, 2012
Ford F150

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

Colt J. Ford F150 Wednesday, January 29, 2014
2008 Ford Transit Diesel 2.4Ltr Turbo Van with 155,000km

Update from NZ on Cerma: Hello, December last year I purchased several products from you. I changed my oil ran the vehicle for a while the added Cerma. Read more

Glen M. 2008 Ford Transit Diesel 2.4Ltr Turbo Van with 155,000km Saturday, March 21, 2015
Bagger Motorcycle

December 2007 - I treated my 2002 Harley Davidson Custom Bagger motorcycle on the trip to Arkansas. The main thing that I noticed is the fuel mileage Read more

Bob M. 2002 Harley Davidson Custom Bagger Motorcycle Tuesday, December 11, 2007
Bike

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

Greg J. Saturday, June 25, 2016
2014 Jeep Grand Cherokee

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 Read more

Dan P. 2014 Jeep Grand Cherokee Tuesday, May 5, 2015
1988 Dodge Box Van

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

Wayne Blakeley 1991 Subaru, 2002 Chrysler AWD Mini Van, 1988 Dodge Box Van Saturday, May 12, 2012
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Cerma Blue Ice works in all A/C and Regirgeration...