GMC Sierra 3500 Performance Air Intake - K&N Engineering - 77 Series - `11-`14
GMC Sierra 3500 Performance Air Intake - K&N Engineering - 77 Series - `11-`14

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GMC Sierra 3500 Performance Air Intake - K&N Engineering - 77 Series - `11-`14. A direct-fit K&N 77 Series performance intake designed for 2011–2014 GMC Sierra 3500 trucks with the 6.6L engine. It replaces the factory airbox and intake tube to improve airflow and throttle response.
This K&N system uses a mandrel-bent aluminum intake tube paired with K&N's oversized, conical High-Flow air filter built with oiled cotton filter media. The filter is washable and reusable, designed to extend service intervals under normal highway driving. A custom heat shield or airbox helps reduce the temperature of incoming air compared with the stock configuration. The kit is engineered as a bolt-on replacement and can typically be installed in under 90 minutes. Some K&N intakes are not CARB-legal for use on pollution-controlled vehicles in California—please see product specifications for CARB status for your exact vehicle.
Features
- Mandrel-bent aluminum intake tube for smooth airflow
- Washable, reusable oversized conical High-Flow filter with oiled cotton media
- Extended service intervals—up to 100,000 miles under normal highway driving when used and maintained as directed
- Custom heat shield/airbox to help reduce intake air temperature
- Direct-fit bolt-on design; typical installation in under 90 minutes
- Protected by K&N No-Hassle Lifetime Limited Warranty
If you have questions or want help confirming fitment, call us directly—our specialists can assist. We have two installation and customization shops in Austin, Texas and the Los Angeles, California area where we can install this intake on premises. Call: 512-982-9393 (TX) or 562-981-6800 (CA). If you are considering purchasing multiple items, please contact us for shipping discounts. We install on premises at both locations.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov




















