You have a diesel truck for a good reason. A diesel engine is the best option for any vehicle with its fantastic torque,... moreYou have a diesel truck for a good reason. A diesel engine is the best option for any vehicle with its fantastic torque, extended life, and pound for pound fuel economy. This is why many people choose diesel trucks and heavy-duty hauliers as their daily drivers. Here are the somebest diesel improvements to enhance your truck's performance, efficiency, utility, and style.