Is a 2004 duramax cold air intake worth the money?
If you're looking to squeeze a bit more life and power out of your truck, installing a 2004 duramax cold air intake is usually one of the first things guys look into. It's one of those "day one" modifications that almost every diesel owner considers because it's relatively cheap, easy to install, and promises some immediate results. But if you've spent any time on the forums, you know there's a lot of back-and-forth about whether these kits actually do anything or if the stock airbox is already "good enough." ...