About Us

Parleys Diesel Performance Inc. was founded by and for diesel enthusiasts. During our over 15 years in the industry we have been part of this ever evolving market. If there is anything this industry is about, it’s progression. That’s why we’re here to help you progress in your own diesel experience. Whether you are looking for increased horsepower, increased fuel mileage, alternative fuel or just getting your rig running again Parleys Diesel Performance can help.

4 Responses to “About Us”

  1. Stephen Says:

    What 5.9L performance upgrades yield the highest fuel mileage?

    ie – 100 HP injectors, Cam, Intake manifold, Turbo and tuning to match


    – mild injectors, mild turbo, and more computer related tuning

  2. Thanapol Saru Says:

    Hey i have a question about my A3 TDI i want to increase hp and fuel economy what should i buy for it?

  3. jose fonseca Says:

    Hi, I’m trying to get a diesel box for my 2011 Audi Q7 TDi, with engine code of CATA….it’s a 225hp engine. Is it the same as the one for the VW?? If so, how can I contact u guys. Thanks…Jose

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