Doc's Diesel Filters are spec'd and designed to meet or exceed the quality/performance of the original filters (OEM's) that come in your vehicle. Doc's premium grade media filter paper used on all Doc's Filters is what sets Doc's above the rest.
We wanted to go one step further in customer trust by providing,SAE J1985 3rd Party Testing of our parts.We did a full upstream and downstream efficiency testing along with a single pass efficiency test method. Our main fuel filters have been 3rd party tested, and as we get more testing we will be reporting the results.
Used this one time and it has helped with sluggish take off and better fuel milage. will be buying again
The only fuel additive I've used that I can tell a difference in how the truck runs.
Hot shots interval treatment
Clear instructions for doses but haven’t run long enough to determine if does what it is sold to but have noticed smoother acceleration.