aFe

aFe Large Bore-HD 4in 409 SS Cat-Back Exhaust without Tip 2001-2005 GM 6.6L Duramax

SKU: afe49-14001 UPC: 802959490464
Backordered – call for lead time

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

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

$660.00
-20% $825.00 $660.00
New
Heavy & Oversized Item This item ships by freight. Shipping isn't calculated at checkout — we'll contact you with a freight quote after your order is placed.

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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

For the 2001-2005 Silverado/Sierra HD 6.6L Duramax LB7/LLY, aFe makes the Large Bore-HD 4in 409 SS Cat-Back Exhaust without Tip. The Large Bore HD Performance Cat-Back exhaust features 4" 409 stainless steel tubing with smooth curves and increased size to help remove restriction and keeps exhaust gasses flowing smoothly.

Key Features

  • The OE style band-clamps and bayonet style hangers make sure this system installs cleanly and easily.
  • You will see increased performance and lower EGTs from this system.
  • This system does not come with a tip.

Fitment

  • 2001-2005 Silverado/Sierra HD 6.6L Duramax LB7/LLY
  • Vendor application: GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY

Product Details

  • Brand: aFe POWER
  • Manufacturer Part Number: 49-14001
  • Product Line: Large Bore-HD
  • Product Type: Cat-Back Exhaust System

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: 14.0

Shipping Length: 60.0

Shipping Width: 19.0
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.