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OPEN BOX 5"CatBack Exhaust Muffler Kit FOR 01-05 GMC Sierra 2500 Duramax 6.6L V8

Worldwide Performance
(28712)
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US $369.95
or Best Offer
as low as $33.22/mo with
Condition:
New other (see details)
“***OPEN BOX SPECIAL***Some Minor Scratches/Dents As Shown. See Picture”
Compatibility:
Out of Stock7 sold
Shipping:
Free FedEx Ground / FedEx Home Delivery®.
Located in: Houston, Texas, United States
Delivery:
Estimated between Thu, Nov 20 and Mon, Nov 24 to 94104
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Returns:
30 days returns. Seller pays for return shipping.
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eBay item number:186811415633
Last updated on Aug 07, 2025 08:25:56 PDTView all revisionsView all revisions

Compatibility

This part is compatible with 125 vehicle(s)
YearMakeModelTrimEngineNotes
2005GMCSierra 2500 HDBase Crew Cab Pickup 4-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 2500 HDBase Extended Cab Pickup 4-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 2500 HDBase Standard Cab Pickup 2-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 2500 HDSLE Crew Cab Pickup 4-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 2500 HDSLE Extended Cab Pickup 4-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 2500 HDSLE Standard Cab Pickup 2-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 2500 HDSLT Crew Cab Pickup 4-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 2500 HDSLT Extended Cab Pickup 4-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 2500 HDWT Crew Cab Pickup 4-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 2500 HDWT Extended Cab Pickup 4-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 2500 HDWT Standard Cab Pickup 2-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 3500Base Cab & Chassis 2-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 3500Base Cab & Chassis 4-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 3500Base Crew Cab Pickup 4-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 3500Base Extended Cab Pickup 4-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 3500Base Standard Cab Pickup 2-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 3500SLE Cab & Chassis 2-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 3500SLE Cab & Chassis 4-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 3500SLE Crew Cab Pickup 4-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
2005GMCSierra 3500SLE Extended Cab Pickup 4-Door6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
Portions of the information contained in this table have been provided by worldwideperformance

Item specifics

Condition
New other (see details)
A new, unused item with absolutely no signs of wear. The item may be missing the original packaging, or in the original packaging but not sealed. The item may be a factory second, or a new, unused item with defects. See the seller’s listing for full details and description of any imperfections. See all condition definitionsopens in a new window or tab
Seller Notes
“***OPEN BOX SPECIAL***Some Minor Scratches/Dents As Shown. See Picture”
Brand
Exhaust System
Type
Cat Back Exhaust Kit
Muffler Quantity
1
Features
Cat Back, Easy to Replace, Single Exit
Category

Item description

See full item description

About this seller

Worldwide Performance

98.1% positive feedback•122K items sold

Joined Feb 2010
Usually responds within 24 hours
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.7
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
4.9

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Seller feedback (30,647)

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  • *****- Feedback left by buyer.
    Past year
    Verified purchase
    No issues with fitment. Looked great and no marks/dents. Couldn’t tell it was an open box kit. Would buy again if needed. Great value and quality.
  • *****- Feedback left by buyer.
    Past year
    Verified purchase
    Fits my duramax perfectly
  • *****- Feedback left by buyer.
    Past year
    Verified purchase
    Installed. Thanks
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