2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Cold Air Intakes

The more efficiently your 6.6L Duramax LML engine can breathe, the more power it can deliver for your 2004.5-2005 GM 2500HD/3500HD. Enhance airflow and improve both power and fuel efficiency with a new aftermarket cold air intake. As a bonus, many cold air intakes enhance your diesel's aggressive engine sound. Pair your cold air intake with an upgraded Exhaust System for even greater performance!  GM Duramax Fitments: 2004, 2005 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2004.5-2005 6.6L LLY
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S&B 76-1006B Turbo Inlet Manifold | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
IN STOCK
S&B 76-1006B Turbo Inlet Manifold | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

S&B Filters

S&B 76-1006B Turbo Inlet Manifold | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: SAB76-1006B
$195
S&B 75-5102D Cold Air Intake with Dry Filter | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
S&B 75-5102D Cold Air Intake with Dry Filter | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
S&B 75-5102D Cold Air Intake with Dry Filter | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
S&B 75-5102D Cold Air Intake with Dry Filter | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
S&B 75-5102D Cold Air Intake with Dry Filter | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

S&B Filters

S&B 75-5102D Cold Air Intake with Dry Filter | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: SAB75-5102D
$379
S&B 75-5102 Cold Air Intake with Oiled Filter | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
IN STOCK
S&B 75-5102 Cold Air Intake with Oiled Filter | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
S&B 75-5102 Cold Air Intake with Oiled Filter | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

S&B Filters

S&B 75-5102 Cold Air Intake with Oiled Filter | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: SAB75-5102
$379
Wehrli 100301 4 inch Cold Air Intake Kit with Air Box and Intake Horn | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Wehrli 100301 4 inch Cold Air Intake Kit with Air Box and Intake Horn | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Wehrli 100301 4 inch Cold Air Intake Kit with Air Box and Intake Horn | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Wehrli 100301 4 inch Cold Air Intake Kit with Air Box and Intake Horn | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Wehrli 100301 4 inch Cold Air Intake Kit with Air Box and Intake Horn | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Wehrli Custom Fab

Wehrli 100301 4 inch Cold Air Intake Kit with Air Box and Intake Horn | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: WCF100301-GB
From $800.25
Airaid 200-229 MXP Cold Air Intake | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Airaid 200-229 MXP Cold Air Intake | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Airaid

Airaid 200-229 MXP Cold Air Intake | 2004-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: AIR200-229
$299.99
aFe Power 50-74002 Momentum HD Cold Air Intake System with Pro 10R Filter | 2004.5-2005 GM 6.6L Duramax LLY
IN STOCK
aFe Power 50-74002 Momentum HD Cold Air Intake System with Pro 10R Filter | 2004.5-2005 GM 6.6L Duramax LLY
aFe Power 50-74002 Momentum HD Cold Air Intake System with Pro 10R Filter | 2004.5-2005 GM 6.6L Duramax LLY

AFE Power

aFe Power 50-74002 Momentum HD Cold Air Intake System with Pro 10R Filter | 2004.5-2005 GM 6.6L Duramax LLY

SKU: AFE50-74002
$420
aFe Power 51-74002 Momentum HD Cold Air Intake System with Pro DRY S Filter | 2004.5-2005 GM 6.6L Duramax LLY
IN STOCK
aFe Power 51-74002 Momentum HD Cold Air Intake System with Pro DRY S Filter | 2004.5-2005 GM 6.6L Duramax LLY

AFE Power

aFe Power 51-74002 Momentum HD Cold Air Intake System with Pro DRY S Filter | 2004.5-2005 GM 6.6L Duramax LLY

SKU: AFE51-74002
$435
$543.75
aFe 54-10091 Power Magnum FORCE Stage-2 Cold Air Intake System Pro 5R | 1999-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
aFe 54-10091 Power Magnum FORCE Stage-2 Cold Air Intake System Pro 5R | 1999-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

AFE Power

aFe 54-10091 Power Magnum FORCE Stage-2 Cold Air Intake System Pro 5R | 1999-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: AFE54-10091
$330
aFe 54-10612 Power Magnum FORCE Stage-2 Cold Air Intake System Pro 5R | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
aFe 54-10612 Power Magnum FORCE Stage-2 Cold Air Intake System Pro 5R | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

AFE Power

aFe 54-10612 Power Magnum FORCE Stage-2 Cold Air Intake System Pro 5R | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: AFE54-10612
$331.99
Wehrli 100191 4 inch Cold Air Intake Kit with Air Box | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Wehrli 100191 4 inch Cold Air Intake Kit with Air Box | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Wehrli 100191 4 inch Cold Air Intake Kit with Air Box | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Wehrli 100191 4 inch Cold Air Intake Kit with Air Box | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Wehrli 100191 4 inch Cold Air Intake Kit with Air Box | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Wehrli Custom Fab

Wehrli 100191 4 inch Cold Air Intake Kit with Air Box | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: WCF100191-GB
From $528.65
Airaid 201-229 Cold Air Intake System w/ Dry Filter | 2004-2005 GM 2500HD/3500HD 6.6L Duramax LLY
Airaid 201-229 Cold Air Intake System w/ Dry Filter | 2004-2005 GM 2500HD/3500HD 6.6L Duramax LLY

Airaid

Airaid 201-229 Cold Air Intake System w/ Dry Filter | 2004-2005 GM 2500HD/3500HD 6.6L Duramax LLY

SKU: AIR201-229
$349.99
K&N 77-3047KP Cold Air Intake kit | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
K&N 77-3047KP Cold Air Intake kit | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

K&N Filters

K&N 77-3047KP Cold Air Intake kit | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: KAN77-3047KP
$399.99

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