K&N 57-3047 Performance Air Intake System

Upgrade your GMC Sierra 2500 HD (2004-2005) or GMC Sierra 3500 (2005) with the K&N 57-3047 Performance Air Intake System. This system is engineered to enhance airflow to your engine, delivering a noticeable boost in horsepower and torque. With a high-density polyethylene (HDPE) rotationally-molded tube, expect an impressive estimated horsepower gain of 20.14 HP at 3157 RPM.

Key Features

• Air Filter: Red cotton gauze, washable and reusable, designed to last up to 100,000 miles under normal driving conditions.
• Heat Shield: Custom-designed to protect intake air from engine bay heat.
• Installation: Easy to install in under 60 minutes with included mounting hardware.
• Legal Status: Street legal in all US states with CARB EO Number D-269-31.

Specifications

• Clamp Material: Stainless Steel
• Clamp Style: Regular (4 clamps included)
• Intake Pipe Material: High-Density Cross-Linked Polyethylene
• Mass Air Flow Sensor Adapter: Included
• Weight: 13.2 lbs (6 kg)
• Warranty: No-Hassle Lifetime Limited

Customer Feedback

Users have reported noticeable improvements in throttle response and acceleration after installing the K&N 57-3047. Many appreciate the easy installation process and the high-quality materials used in the design.

Installation Instructions

• For detailed installation instructions, CLICK HERE.
• For dyno results, CLICK HERE.

Fitment

• GMC Sierra 2500 HD: 2004-2005
• GMC Sierra 3500: 2005