Description
Boost airflow and performance in your diesel truck with the K&N Filters High-Flow Air Intake Kit for Silverado/Sierra 2500/3500 6.6L V8 Diesel (KNN77-3047KP). Designed for 2004-2005 Chevy Silverado and GMC Sierra 2500/3500 models with a 6.6L V8 diesel engine, this intake kit replaces the restrictive factory air system with a high-flow mandrel-bent aluminum intake tube and oversized conical air filter. Engineered to improve throttle response and engine efficiency, this kit supports better fuel economy and horsepower. Installation is straightforward, with all necessary hardware included.
Features and Specifications:
- Vehicle Fitment: 2004-2005 Silverado/Sierra 2500/3500 6.6L V8 Diesel
- Estimated Horsepower Gain: 20.15 HP @ 3158 RPM
- Air Filter Color: Red
- Air Filter Material: Cotton Gauze
- Air Filter Outlet Shape: Round
- Intake Pipe Color / Finish: Bright Mirrored Finish
- Intake Pipe Material: Aluminum
- Included: Mounting Hardware, 3 Clamps, 1 Coupler
- Clamp Material: Stainless Steel
- Clamp Style: Regular
- CARB EO Number: D-269-31
- Horsepower Boost: Increases engine horsepower and torque.
- High-Flow Design: Mandrel-bent aluminum intake tube for smooth airflow.
- Advanced Filtration: Oversized oiled cotton air filter for superior protection.
- Factory Replacement: Directly replaces OEM air filter and intake tube.
- Low Maintenance: Filter needs cleaning only every 100,000 miles under everyday driving.
- Easy Installation: Installs in under 60 minutes using basic hand tools.
- Warranty Coverage: Backed by a No-Hassle Lifetime Limited Warranty.
- Warranty Safe: Will not void vehicle warranty.
- Street Legal In All US States: Legal for use in all 50 states.





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