Evaluating Emission Tests for California Diesels

Pthorpe84

Moderator
Staff member
For performance-minded diesel enthusiasts across the U.S. but especially in California, until 2010, one of the benefits in owning a diesel-powered vehicle (typically a pickup truck) was that when it came to modifying engines for increased horsepower and torque, the possibilities were theoretically endless. One of the main reasons for this is because in years

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