The GMC 3500 HD Performance Air Intake by Wehrli offers a superior upgrade for your 2001-2004 Duramax engine. The High Flow Intake Horn, available in WCFab Grey, is designed to enhance your vehicle's air intake system, improving both performance and efficiency.

Designed for the Chevrolet Silverado and GMC 2500/3500 HD trucks equipped with the 6.6L Duramax Diesel, this 4-inch high flow cast aluminum turbo intake horn replaces the restrictive OEM turbo mouthpiece. It dramatically increases airflow to your turbocharger, resulting in improved engine performance and throttle response. Ready to pair with factory IHI Turbo or upgraded versions, this turbo intake horn is ideal for anyone looking to enhance their vehicle’s horsepower and achieve quicker spool times.

Features

• Precision CNC Machined Cast Aluminum Construction
• Flows 40% better than stock
• Includes O-Ring Seal at Turbocharger Face
• Custom Powder Coated in WCFab Grey
• Made in the USA
• Not compatible with OEM intake; requires 4" aftermarket intake systems

Upgrade your vehicle's performance and feel the difference with our Wehrli 4-inch High Flow Intake Horn. For any questions, don't hesitate to contact us directly. We offer installation and customization services at our two locations in Austin, Texas and Los Angeles, California. Give us a call today at 512-982-9393 (TX) or 562-981-6800 (CA). If you're considering purchasing multiple items, reach out to inquire about possible shipping discounts. We install on premises at both locations.

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