The GMC 3500 Performance Air Intake - Wehrli - High Flow Intake Horn is designed for `01-`04 models and is available in a sleek semi-gloss black finish. This premium component offers an unmatched improvement in airflow to the turbocharger, resulting in enhanced engine performance and faster throttle response.

Compatible with the 6.6L Duramax Diesel, this high flow intake horn is the industry's largest turbo inlet, replacing the restrictive OEM turbo mouthpiece. Made from precision CNC machined cast aluminum, it features a smooth-flowing transition to the turbo compressor cover, maximizing drivability without the need for additional tuning. It's a perfect fit for stock or OEM-style aftermarket turbochargers, offering gains of 10-20 HP depending on your setup. The assembly is custom powder-coated and includes necessary mounting hardware along with an O-Ring seal for a secure fit.

Features

• True 4" inlet for optimized airflow
• Compatible with aftermarket 4" intake systems
• Flows 40% better than stock
• Precision CNC machined cast aluminum construction
• Includes mounting hardware and O-Ring seal
• Custom powder-coat finish
• Made in the USA

With this Wehrli Performance Air Intake Horn, you benefit from American-made quality and a noticeable boost in power and efficiency. Have questions? Feel free to call us directly at 512-982-9393 for our Austin, Texas location or 562-981-6800 for our Los Angeles, California area location. Installation and customization services are available on-premises at both of our locations. Planning on purchasing multiple items? Contact us for possible shipping discounts!

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