Wehrli

Wehrli 01-04 Duramax LB7 4in High Flow Intake Horn - Illusion Blueberry

SKU: wcfWCF100535-IBB UPC: WCF100535-IBB
Backordered – call for lead time

⚠ Call for Availability

Expected ship time: usually within 24–48 hours; some vendor items may take longer.

Call: (503) 235-1947 | Email Us: info@dfispdx.com

$204.00

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Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Got Questions? Feel free to email us or call us at (503) 235-1947

The WCFab LB7 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2001-2004 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped with the 6.6L Duramax Diesel is the largest and highest flowing turbo inlet on the market.

Key Features

  • Replaces the restrictive OEM turbo mouthpiece to provide increased airflow to your turbocharger for improved engine performance and throttle response.
  • Great upgrade offering quicker spool up and more HP! Max-effort tuned trucks can see 10-15 HP gains while applications with upgraded turbochargers can experience as much as 20 HP improvements.

Fitment

Fits 2001-2004 Chevrolet Silverado 2500 HD / Chevrolet Silverado 3500 HD / GMC Sierra 2500 HD / GMC Sierra 3500 HD equipped with the 6.6L LB7 Duramax Diesel engine.

Works with performance aftermarket intake systems utilizing a 4" Boot Connection with bead roll, like our 4" Intake Kits

Product Details

  • Brand: Wehrli (WCFab)
  • Manufacturer Part Number: WCF100535-IBB
  • Supersedes: WCF100342
  • Finish/Color: Illusion Blueberry
  • Product Type: Intake Elbows & Horns

Orders typically ship within 24–48 hours of being received, but because of vendor shipping times some orders may take longer. We ship within the United States only (48 contiguous states plus DC).

Shipping Height: 6.0

Shipping Length: 12.0

Shipping Width: 12.0
California Emissions (CARB)
Not legal for sale or use on pollution-controlled motor vehicles in California or other states that adopt California emissions standards. For off-road and competition use only.
California Proposition 65
WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.