This says it all really :
Are there any cases whereby after installation, no affects are seen?
This can happen. Usually where the vehicle is subject to poor maintenance as Magno-Flo requires clean air and fuel filters. Also if the unit is fitted incorrectly there will be a decrease in the effect or none at all if fitted on the wrong pipe. For this reason we recommend professional fitting. Another instance where it may appear you have no savings, is when your on board computer is used to determine the MPG. The on board computer uses air mass/fuel ratio calculations, but as Magno-Flo has a high air mass/fuel ratio this will show little or no change in MPG. Please refer to the test section for correct method of determining your MPG.
Sorry, but, what ?
Total Plop
I'll raise you with this:
Calculation errors can occur caused by local environmental conditions and/or incomplete data and changes in driving patterns.
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