Norcal Diesel Performance proudly offers ATS Diesel Performance, a leader in advanced transmission and engine upgrades for diesel trucks. Founded in 1993, ATS specializes in high-quality products like billet transmissions, torque converters, turbochargers, and dual CP3 injection systems for Cummins, Duramax, and Powerstroke engines. Known for their innovative designs and rigorous testing, ATS products are engineered to handle extreme horsepower and torque while maintaining reliability under demanding conditions.
Manufactured in Arvada, Colorado, ATS Diesel Performance components are built in-house to ensure superior quality and durability. Whether you're upgrading your truck for towing, racing, or daily driving, ATS provides solutions that enhance efficiency, power delivery, and dependability. Explore our selection of ATS products at Norcal Diesel Performance to equip your diesel truck with industry-leading technology.
2004 to 2005 Duramax engines have a lot going for them in terms of power, but that doesn’t mean you can’t make small changes to maximize performance. Duramax LLY exhaust parts can help your engine use fuel more efficiently and even give you some extra horsepower for your effort. If you know that your truck isn’t operating at peak efficiency, this can feel frustrating. Don’t let yourself settle for what you drove off the sale lot with. Check out some of these Duramax LLY exhaust parts to find what you need for optimal performance in your own truck. This kind of upgrade can make a world of difference regarding your truck’s longevity and performance.