The GMC 3500 HD Performance Air Intake by Wehrli is a 4-inch High Flow Intake Horn designed specifically for 2001-2004 Duramax LB7 engines. This Candy Teal beauty not only looks impressive but also provides a substantial performance boost by improving engine airflow, enhancing throttle response, and increasing horsepower.

Crafted from precision CNC machined cast aluminum, this intake horn replaces the factory turbo mouthpiece, offering 40% better airflow. It is compatible with factory IHI Turbo or upgraded drop-in IHI Turbos and aftermarket intakes, adding significant power gains of up to 20 HP for those with upgraded turbochargers. Perfect for automotive enthusiasts who work on max-effort tuned trucks or vehicles with performance modifications, this product is an ideal choice for boosting engine performance.

Features

• High Flow 4-inch inlet for increased airflow
• Precision CNC machined cast aluminum construction
• Compatible with OEM and aftermarket intake systems utilizing a 4" boot connection
• Bolton upgrade with no tuning required
• Custom powder coat finish in Candy Teal
• Includes all necessary mounting hardware
• Made in the USA

If you're considering customizing your GMC 3500 HD with this performance air intake, don't hesitate to reach out to us with any questions. We have two locations in Austin, Texas and Los Angeles, California where we offer professional installation and customization services. Call us directly at 512-982-9393 (TX) or 562-981-6800 (CA). If you're interested in multiple items, contact us to discuss potential shipping discounts. Installation services available on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov