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of the time you drive your diesel 

below 2200 RPM!

All three diesel manufactures are forced to meet tough emission standards under [2200] RPM... this is why they DE-TUNE their engines on the low-end.

While this "De-tuning" practice satisfies emission standards... unfortunately it also costs you low-end performance and fuel mileage...Bigtime!    

The great news is we've been providing a warranty-friendly, "Plug-N-Go" solution for bone-stock diesel pickup owners for nearly two decades!