SKU: 38488001749

2011-2016 Chevy GMC LML 6.6L Duramax Diesel 3" Turbo Downpipe Exhaust Black

Sale price$128.02 Regular price$142.24
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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Description

2011-2016 Chevy GMC LML 6.6L Duramax Diesel 3" Turbo Downpipe Exhaust BlackInlet Outlet Sizes: 3 ''OD 3 ''OD Piping Diameter: 3" Color: Black Made of High Quality T 304 Stainless Steel with Computerized Mandrel Bends i. e. Maximizing Smoothest Exhaust Airflow High Performance JDM Racing Design TIG Welded CNC Machine Flange for Strength and Durability Greater Heat Retention 20% Greater Flow Over Stock Richer Diesel Sound Gains of +21 HP and +24 lb ft Torque Professional Installation is Highly Recommended No Instruction

  • Inlet/ Outlet Sizes: 3 ''OD / 3 ''OD
  • Piping Diameter: 3"
  • Color: Black
  • Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends i.e. Maximizing Smoothest Exhaust Airflow
  • High Performance JDM Racing Design
  • TIG Welded CNC Machine Flange for Strength and Durability
  • Greater Heat Retention
  • 20% Greater Flow Over Stock
  • Richer Diesel Sound
  • Gains of +21 HP and +24 lb/ft Torque
  • Professional Installation is Highly Recommended
  • No Instruction Included

 Fitment:

  • 2011-2016 Chevrolet Silverado 2500/3500 HD 6.6L Duramax Diesel
  • 2011-2016 GMC Sierra 2500/3500 HD 6.6L Duramax Diesel
  • Not Fit 2015.5+ Model With Flange Outlet
  • Not fit Cab & Chassis trucks
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 38488001749

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4.4 ★★★★★
Based on 845 reviews
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Verified Purchase
ELozano
Chelsea, US
★★★★★ 3
Not a proper fit
Received as promised by the seller. My cons on this item: 1) the socket holes does not make a tight fit with the light bulb sockets I have. Both issues for left and right. I had to double the o-ring on my light sockets to make it tight fit. 2) The rubbers around the casing was not properly glued in. The rubber sticks out by a few centimeters. Pics attached.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 29, 2025
J
Verified Purchase
Jupiter
San Leandro, US
★★★★★ 4
Looks great on my 2005 BMW 325i
Very pleased with the results after I assembled on my car…except the fit of bulb socket to assembly was a little loose on both of them….but I think it will be fine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 23, 2024
T
Verified Purchase
Trent adkins
Grantham, US
★★★★★ 5
Works as it should
Right part fit good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 10, 2025
J
Verified Purchase
Jerimiah Cuevas
Port Orchard, US
★★★★★ 5
Perfect it
Color: Matte Black, Size: For 1999-2002 E46 Coupe Cabriolet Pre-LCI
Many aftermarket grills fit like crap. This one fit better than the OEM. (2001 325ci)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2024
H
Verified Purchase
Heybraham Rios
Battle Creek, US
★★★★★ 5
Fit my 01 325ci
Color: Matte Black, Size: For 1999-2002 E46 Coupe Cabriolet Pre-LCI, Color: Matte Black, Size: For 1999-2002 E46 Coupe Cabriolet Pre-LCI
It fit perfectly and it came in faster then stated . 10/10
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Reviewed in the United States on December 27, 2023

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