Nitrous Injection Kits for diesel performance is an upgrade for those who want raw power, and aren’t afraid to use it. You’ll have to modify your truck before being able to safely use nitrous, so unless you’re planning on racing, this isn’t a suitable modification for most diesel owners. For those lucky few that have the time and the resources to take advantage of Nitrous Injection however, it is a great way to quickly add 200-300 horsepower in a matter of seconds.