Easily upgrade the air filter in your 2001-2005 GM 6.6L Duramax LB7/LLY with the AEM 28-20129 Dryflow OEM Air Filter. Installed with ease, The DryFlow Air Filter is a simple drop-in air filter that will instantly replace the factory air filter in your Duramax. Engineered to increase horsepower and throttle response, the air filter is cleanable and reusable for the life of your truck.
- Made in the USA
- Will NOT Void Vehicle Warranty
- Captures up to 99% of Harmful Contaminants