K&N Series 57 FIPK Cold Air Intake (01-06 8.1L Silverado 2500 HD)Find parts that fit my vehicle

Increased Airflow for More Power. The K&N Series 57 FIPK Cold Air Intake is designed to unlock extra horsepower and torque from your 2001–2006 8.1L Silverado 2500 HD. By replacing the restrictive factory intake, it delivers up to 50% more airflow, improving throttle response and acceleration for both daily driving and heavy-duty work.

Dyno-Tested Performance. Engineered and tested on the dyno, this K&N Series 57 FIPK Cold Air Intake is proven to increase horsepower under the hood of your Silverado. The increased airflow improves combustion efficiency, helping your engine perform stronger and more efficiently.

High-Flow Reusable Air Filter. Featuring K&N’s signature oversized conical air filter, the K&N Series 57 FIPK Cold Air Intake provides superior filtration while allowing more air into the engine. Washable and reusable, this filter can last up to 100,000 miles before cleaning, reducing maintenance costs over time.

Installation. Putting this K&N Series 57 FIPK Cold Air Intake on your 8.1L Silverado 2500 HD takes 1 hour to install.

Warranty. There is a 10-year/million mile limited warranty on this product.

Application. The K&N Series 57 FIPK Cold Air Intake fits 2001-2006 8.1L Silverado 2500 HD models.

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