aFe

aFe Large Bore-HD 4in 409 SS Cat-Back Exhaust w/ Polished Tip 2001-2005 GM 6.6L Duramax

SKU: afe49-44001 UPC: 802959494387
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

$808.00
-7% $864.18 $808.00
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

Made for the 2001-2005 Silverado/Sierra HD 6.6L Duramax LB7/LLY: the aFe Large Bore-HD 4in 409 SS Cat-Back Exhaust w/ Polished Tip. The new MACH Force XP exhaust is engineered to perform in the most extreme environments.

Key Features

  • This system is constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque; and lower EGTs.
  • All systems use factory mounting locations providing stability and hassle-free installation.
  • High quality OE style band clamps are used for a complete 360 deg. sealing surface.
  • OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions.

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: 49-44001
  • 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.