The Chevrolet Silverado 3500 HD Performance Air Intake by Wehrli, a High Flow Cast Aluminum Turbo Intake Horn in Bengal Gray for `01-`04 models, offers a significant upgrade in engine performance and throttle response. Designed specifically for Chevrolet Silverado and GMC 2500/3500 HD trucks equipped with the 6.6L Duramax Diesel engine, this product replaces the restrictive OEM turbo mouthpiece for superior airflow.

Built from precision CNC machined cast aluminum, this 4-inch intake horn is the largest and highest flowing turbo inlet available, ensuring maximum efficiency. It seamlessly connects with both the factory IHI Turbo or upgraded turbos, providing compatibility across various setups. This bolt-on upgrade requires no additional tuning, making it straightforward to install and yielding impressive gains. Retain full drivability while achieving a quicker spool-up and noticeable horsepower improvement, with potential gains of up to 20 HP, especially in vehicles with upgraded turbochargers.

Features

• Custom powder-coated Bengal Gray finish
• Compatible with a 4-inch boot connection
• Flows 40% better than stock
• Includes mounting hardware
• O-ring seal at the face of the turbocharger
• Made in the USA

If you have any questions about this performance air intake or want to discuss installation and customization services, feel free to call us directly. We have two locations—Austin, Texas, and Los Angeles, California—where our experienced technicians offer professional installation. Reach us at 512-982-9393 (TX) or 562-981-6800 (CA). For those considering purchasing multiple items, contact us to explore potential shipping discounts. Remember, installation is available on premises at both of our locations.

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