Top 10 Best Cold Air Intake For 6.6 Duramax With Expert Recommendation

1. K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: Fits 2015-2016 Chevy/GMC Heavy Duty (Silverado 2500, Silverado 3500, Sierra 3500, Sierra 3500) 6.6L V8 Diesel,63-3087

  • ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
  • GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube
  • BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.
  • IMPROVED ENGINE SOUND: Hear the power under the hood.
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants
  • EASY MAINTENANCE: No filter cleaning required for up to 100,000 miles
  • EASY TO INSTALL: Bolt-on power in less than an hour with basic hand tools. K&N air intake systems are one of the easiest ways to guarantee an increase in horsepower.
  • DYNO TESTED: Dyno-tested for a guaranteed increase in horsepower and acceleration with no ECU tune required
  • HIGH QUALITY: Made in America.
  • RACETRACK APPROVED: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.

2. R&L Racing Air Intake Compatible with Chevrolet Silverado/GMC Sierra 01-04 | 6.6L Diesel only fit LB7 Duramax Engine | Matte Black with RED Filter Cold Heat Shield

  • Brand New. Ultimate performance Cold Air intake Kit with Heat Shield
  • The air intake kit can help your engine to draw more cold air resulting in better throttle response and higher explosive horsepower output
  • This air intake kit will increase Increase 8-10% horsepower and torque
  • Easy to install and easy to fit with simple tools. No additional parts will be needed for installation after you purchase this kit
  • 60 days Factory Warranty!

3. Heatshield cold AIR Intake KIT FIT 2001-2004 Chevrolet Silverado/GMC Sierra 2500HD 3500 6.6 6.6L Duramax Turbo Diesel ENGINE (BLACK)

  • FIT – 2001-2004 CHEVY SILVERADO 2500HD, 3500 6.6L V8 TURBO DIESEL
  • FIT – 2001-2004 GMC SIERRA 2500HD, 3500 6.6L V8 TURBO DIESEL
  • Washable and Reuseable High Performance Dry-flow air filter
  • No additional parts will be needed for installation after you purchase this kit
  • This air intake kit will increase 7-10% of Horsepower and 5-8% of Torque

4. 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

5. Sinister Diesel Cold Air Intake for 2001-2004 Chevy/GMC Duramax 6.6L LB7

  • 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
  • Great for Daily Driving, Towing or Race Day
  • Polished and Powder Coated in our Signature Sinister Blue

6. K&N Cold Air Intake Kit: High Performance, Increase Horsepower: Compatible with 2011-2014 Chevy/GMC Heavy Duty (Silverado 2500/3500 HD, Sierra 2500/3500 HD) 6.6L V8 Diesel, 77-3077KP

  • ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
  • GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube
  • BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.
  • IMPROVED ENGINE SOUND: Hear the power under the hood.
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants
  • EASY MAINTENANCE: No filter cleaning required for up to 100,000 miles
  • EASY TO INSTALL: Bolt-on power in less than an hour with basic hand tools. K&N air intake systems are one of the easiest ways to guarantee an increase in horsepower.
  • DYNO TESTED: Dyno-tested for a guaranteed increase in horsepower and acceleration with no ECU tune required
  • HIGH QUALITY: Made in America.

7. K&N Cold Air Intake Kit: High Performance, Increase Horsepower: Compatible with 2017-2019 Chevy/GMC Heavy Duty (Silverado 2500, Silverado 3500, Sierra 2500, Sierra 3500) 6.6L V8 Diesel, 77-3101KP

  • ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
  • GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube
  • BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.
  • IMPROVED ENGINE SOUND: Hear the power under the hood.
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants
  • EASY MAINTENANCE: No filter cleaning required for up to 100,000 miles
  • EASY TO INSTALL: Bolt-on power in less than an hour with basic hand tools. K&N air intake systems are one of the easiest ways to guarantee an increase in horsepower.
  • DYNO TESTED: Dyno-tested for a guaranteed increase in horsepower and acceleration with no ECU tune required
  • HIGH QUALITY: Made in America.

8. K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: 50-State Legal: Fits 2007-2010 Chevy/GMC Heavy Duty (Silverado 2500/3500, Sierra 2500/3500) 6.6L V8 Diesel,57-3066

  • ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
  • GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube
  • BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.
  • IMPROVED ENGINE SOUND: Hear the power under the hood.
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants
  • EASY MAINTENANCE: No filter cleaning required for up to 100,000 miles
  • EASY TO INSTALL: Bolt-on power in less than an hour with basic hand tools. K&N air intake systems are one of the easiest ways to guarantee an increase in horsepower.
  • DYNO TESTED: Dyno-tested for a guaranteed increase in horsepower and acceleration with no ECU tune required
  • HIGH QUALITY: Made in America.
  • RACETRACK APPROVED: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.

9. Sinister Diesel Cold Air Intake for 2011-2012 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
  • Easy, Drop-In Installation with Basic Hand Tools and Minimum Experience

10. GXP Black Cold Air Intake Kit Oiled Filter Compatible with 2013-2016 Chevy/GMC 6.6 LML Duramax Diesel

  • 4″ aluminum construction
  • Gloss black finish
  • Washable/reusable lifetime oiled filter
  • All hardware included
  • 1-year warranty

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