K&N Performance Cold Air Intake System: Easy Installation, Engineered to Maximize Airflow, Boost Horsepower & Torque, 57-3047

Enhance the performance of your 2004-2005 Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, or Sierra 3500 with the K&N Cold Air Intake Kit (57-3047). Designed to deliver up to 50% more airflow than restrictive factory systems, this dyno-tested kit is guaranteed to increase horsepower and improve throttle response, making towing and uphill drives smoother and more powerful. Enjoy an improved engine sound that highlights the performance gains under the hood. Built for ultimate longevity, it offers world-class engine protection against harmful contaminants and comes with a 10-Year/Million Mile Limited Warranty. Maintenance is simple with no filter cleaning required for up to 100,000 miles, and installation is a breeze, with a bolt-on design ready in under an hour using basic hand tools. Take your truck’s performance to the next level with this easy-to-install power upgrade.

• K&N Cold Air Intake Kit: 2004-2005 CHEVROLET/GMC (Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, Sierra 3500)57-3047
• Ultimate Longevity: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
• Guaranteed Increase in Horsepower: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube
• Better Towing: Improves acceleration and uphill performance when towing by improving throttle response.
• Improved Engine Sound: Hear the power under the hood.
• World Class Protection: Pushing the limits of engine protection by protecting your engine from harmful contaminants
• Easy Maintenance: No filter cleaning required for up to 100,000 miles
• Easy to Install: Bolt-on power in less than an hour with basic hand tools. K&N air intake systems are one of the easiest ways to guarantee an increase in horsepower.  
• Dyno Tested: Dyno-tested for a guaranteed increase in horsepower and acceleration with no ECU tune required
• High Quality