Top 10 Best Exhaust For 6.6 Duramax Based On User Rating

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Best Exhaust For 6.6 Duramax
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Comparison Chart for Best Exhaust For 6.6 Duramax

Our team scanned 59663 reviews before putting any suggestions for the Exhaust For 6.6 Duramax in this article.

NoProductScoreAction
1GXP Updated Driver Side Exhaust Manifold & Hardware Compatible with 2001-2016 Chevy/GMC 6.6 LB7 LLY LBZ LMM LML Duramax Diesel9.8Check On Amazon
2Exhaust Manifold Bolt Set for 6.6l Duramax Chevy GMC 2001-2016 LB7-LML9.8Check On Amazon
312x Exhaust Up Pipe 12 Point Bolts for 6.6l Duramax Chevy GMC 2001-2016 LB7-LML9.6Check On Amazon
4Exhaust Manifold Up Pipe Gasket & Bolt Set for 6.6l Duramax Chevy GMC 2001-20169.6Check On Amazon
51R-0750 GM Chevy GMC Duramax 6.6L Diesel Fuel Filter & Adapter Kit 2001-2016 Duramax LB7/LLY/LBZ/LMM/LML(blue, kit)9Check On Amazon
6Upgraded Allison Transmission Cooler Lines 2006-2010 GM GMC Chevy 6.6L LBZ LMM Duramax Diesel 6.69Check On Amazon
76.6L DEF Heater/Diesel Exhaust Fluid Reservoir Heater Kit Compatible with 6.6L V8 Chevrolet Silverado/GMC Sierra 2500HD 3500HD Duramax LML LGH 2012 2013 2014 2015 2016#228721188.6Check On Amazon
8ICT Billet Duramax Turbo Diesel 2004.5-10 LBZ LLY LMM Mouth Piece Resonator Noise Reduction Plug Cover Cap 6.6L Seal Billet Aluminum Made in America ICT Billet 5515038.6Check On Amazon
9OKAY MOTOR 6.6L Diesel DEF Exhaust Fluid Reservoir Heater Kit for 2012-2016 Chevrolet Chevy Silverado 2500 HD 3500HD GMC Sierra 2500HD 3500HD Duramax LML LGH 84412924 F01C6003078.2Check On Amazon
10Sinister Diesel Cold Air Intake for 2013-2016 Chevy/GMC Duramax 6.6L LML8.2Check On Amazon

Table Of Content:

1. GXP Updated Driver Side Exhaust Manifold & Hardware Compatible with 2001-2016 Chevy/GMC 6.6 LB7 LLY LBZ LMM LML Duramax Diesel

  • Direct Replacement | Eliminates “Crushed” Manifold (2001-2010 Trucks) | GM OE Cross Reference #: 12624684,12637647,97224587 | 1-Year Warranty.
  • High-flow upgrade is only on 2001-2010 trucks.
  • Some factory hardware and fasteners will be re-used during installation.
  • This is a factory-style replacement on the 2011-2016 GM 6.6L Duramax LML.
  • Compatible with all 2001-2016 Chevy & GMC 6.6L LB7/LLY/LBZ/LMM/LML Duramax diesel trucks

2. Exhaust Manifold Bolt Set for 6.6l Duramax Chevy GMC 2001-2016 LB7-LML

3. 12x Exhaust Up Pipe 12 Point Bolts for 6.6l Duramax Chevy GMC 2001-2016 LB7-LML

4. Exhaust Manifold Up Pipe Gasket & Bolt Set for 6.6l Duramax Chevy GMC 2001-2016

5. 1R-0750 GM Chevy GMC Duramax 6.6L Diesel Fuel Filter & Adapter Kit 2001-2016 Duramax LB7/LLY/LBZ/LMM/LML(blue, kit)

  • Applicable Models: This fuel filter kit fits for 2001-2016 Chevy GMC 6.
  • Material: All components CNC machined from solid billet aluminum/stainless steel for a precise fit each and every time.
  • Directly replace the original plastic bleeder screw that can break with routine servicing over a vehicle lifetime.
  • Applicable: This fuel filter kit is not work with trucks that have the fuel pump mounted onto the factory fuel filter bowl.
  • Pay attention:There are two o-rings in this package,please choose the right o-ring for the different place.

6. Upgraded Allison Transmission Cooler Lines 2006-2010 GM GMC Chevy 6.6L LBZ LMM Duramax Diesel 6.6

  • 2006-2010 GM 6.6L LBZ/LMM Duramax Diesel (w/ Allison Transmission ONLY)
  • Includes All Fittings/Hardware
  • Transmission Lines
  • Concave Washers

7. 6.6L DEF Heater/Diesel Exhaust Fluid Reservoir Heater Kit Compatible with 6.6L V8 Chevrolet Silverado/GMC Sierra 2500HD 3500HD Duramax LML LGH 2012 2013 2014 2015 2016#22872118

  • This DEF reservoir heater kit features a redesigned housing to insure it lasts longer than the factory part and includes all the necessary gaskets, o-rings and bolts for a complete trouble-free replacement.
  • Fit and leak tested in the DEF tank to ensure the Diesel Exhaust Fluid does not leak into the environment.
  • Fit for : 2012 2013 2014 2015 2016 Chevy Silverado 2500 HD /Silverado 3500 HD /GMC Sierra 2500 HD /Sierra 3500 HD 6.
  • OEM Part Number : 22872118,22902620,23379348,84412924, 904-394
  • The DEF fluid heater includes all necessary hardware for a complete trouble-free replacement ,1 year unlimited-mileage quality guarantee.

8. ICT Billet Duramax Turbo Diesel 2004.5-10 LBZ LLY LMM Mouth Piece Resonator Noise Reduction Plug Cover Cap 6.6L Seal Billet Aluminum Made in America ICT Billet 551503

  • Saves Room Under The Hood And Gives The Engine Bay A Custom Look
  • Compatible With LLY LBZ LMM 6.6L 2004.5 2005 2006 2007 2008 2009 2010 Chevy Duramax Diesel Engines
  • Made in Wichita, Kansas From Aerospace Grade, USA Produced, Billet Aluminum
  • Increases Intake Sound
  • Includes 1 Resonator Adapter with Orings

9. OKAY MOTOR 6.6L Diesel DEF Exhaust Fluid Reservoir Heater Kit for 2012-2016 Chevrolet Chevy Silverado 2500 HD 3500HD GMC Sierra 2500HD 3500HD Duramax LML LGH 84412924 F01C600307

  • Fuel Heater Kit for 2012-2016 Chevy Silverado 2500 HD 3500 HD 6.
  • Part #: 22872118, 22902620, 84412924, 23379348.
  • Part Notes: 6.
  • Includes: Temperature sensor, Heater and all necessary components needed for a complete replacement.
  • 180 days manufacturer type warranty limited.If you have any problem, please feel free to contact us.

10. Sinister Diesel Cold Air Intake for 2013-2016 Chevy/GMC Duramax 6.6L LML

  • Precision CNC Mandrel Bent Aluminum Tubing for a Perfect Fit
  • Oversized Long Lasting Reusable Cotton Oiled Filter Media
  • Significantly Improved Throttle Response and Turbo Spool-up
  • Perfect When Paired With a Sinister Diesel Exhaust or Tuner
  • Polished and Powder Coated in our Signature Sinister Blue

How To Choose The Best Exhaust For 6.6 Duramax

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If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Exhaust For 6.6 Duramax for themselves. We understand the stress associated with the buying process!

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But that’s not always easy, right? That's why we've taken time to compile a list of the best Exhaust For 6.6 Duramax in today's market, on your behalf, so that there will be no more worries for you.

How did we come up with the list, you ask? How did we create this buying guide?

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  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Exhaust For 6.6 Duramax currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-

  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.


Top Exhaust For 6.6 Duramax brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.

  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Exhaust For 6.6 Duramax based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Exhaust For 6.6 Duramax before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Exhaust For 6.6 Duramax they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Exhaust For 6.6 Duramax, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Exhaust For 6.6 Duramax before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Exhaust For 6.6 Duramax will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Exhaust For 6.6 Duramax if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Exhaust For 6.6 Duramax on the market, the products that got mostly negative ratings get filtered and discarded.
These are the criteria we have chosen our Exhaust For 6.6 Duramax on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.

Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Exhaust For 6.6 Duramax featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.