GMC Sierra 2500 HD Performance Air Intake - Wehrli - High Flow 4 in. - Fine Texture Black - `01-`04

The GMC Sierra 2500 HD Performance Air Intake by Wehrli is designed for automotive enthusiasts seeking superior performance for their 2001-2004 models. Custom engineered for the 6.6L Duramax Diesel engine, this high-flow component brings advanced airflow capabilities to your vehicle.

The Wehrli High Flow 4 in. Air Intake replaces the restrictive OEM turbo mouthpiece, significantly improving engine performance and throttle response. Its precision CNC machined cast aluminum construction ensures durability while efficiently guiding airflow to the turbocharger. This intake is compatible with both factory IHI turbos and aftermarket setups, promising a smoother ride with boosted horsepower—up to 10-20 HP gains with max-effort tuning and upgraded turbos.

Features

• Precision CNC Machined Cast Aluminum Construction
• Fine Texture Black Finish
• 40% Better Airflow than Stock
• Compatible with Factory IHI and Upgraded Turbos
• Includes Mounting Hardware
• Custom Powder Coat Finish Available
• Made in USA

With its smooth airflow transition to the turbo compressor cover, this bolt-on upgrade requires no tuning and works seamlessly with aftermarket 4" boot connection intake systems. Whether your truck is stock or fitted with larger compressor wheels, installation and customization services are offered at our locations in Austin, Texas and the Los Angeles, California area. Don't hesitate to call us with any questions at 512-982-9393 (TX) or 562-981-6800 (CA). If you're considering multiple items, contact us for shipping discounts. We perform installations on premises at both locations.

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