Airaid

Airaid SynthaFlow Drop-In 2011 GMC Sierra 2500 HD 6.6L

SKU: air855-466 UPC: 642046995942
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

$84.99

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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

Get more air through the stock airbox with the Airaid SynthaFlow Drop-In Air Filter (air855-466) - a direct replacement for 2011 GMC Sierra 2500 HD 6.6L.

  • Fits 2011 GMC Sierra 2500 HD 6.6L Duramax Diesel
  • Direct fit into the factory airbox - no cutting, no extra parts, no tune
  • SynthaFlow oiled cotton and synthetic blend - Airaid recommends it for dusty, dry conditions
  • Filters dirt down to 2 microns
  • Washable and reusable - service every 30,000-50,000 miles
  • Installs in under five minutes with no modifications required
  • Tested for filtration, dust capacity and airflow in Airaid's in-house ISO 5011 lab
  • Made in the USA, backed by Airaid's No-Hassle Lifetime Limited Warranty

Perfect for a stock truck that needs more airflow while leaving the factory intake tract and emissions equipment untouched.

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: 2.75

Shipping Length: 15.56

Shipping Width: 11.31
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.