2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Cold Air Intakes

The more efficiently your 6.6L Duramax LB7 engine can breathe, the more power it can deliver for your 2001-2004 GM 2500HD/3500HD. Give your truck impressive airflow to 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: 2001, 2002, 2003, 2004 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>2001-2004 6.6L LB7
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Wehrli 100300 4 inch Stage 2 Cold Air Intake Kit with Air Box and Intake Horn | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100300 4 inch Stage 2 Cold Air Intake Kit with Air Box and Intake Horn | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100300 4 inch Stage 2 Cold Air Intake Kit with Air Box and Intake Horn | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100300 4 inch Stage 2 Cold Air Intake Kit with Air Box and Intake Horn | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100300 4 inch Stage 2 Cold Air Intake Kit with Air Box and Intake Horn | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Wehrli Custom Fab

Wehrli 100300 4 inch Stage 2 Cold Air Intake Kit with Air Box and Intake Horn | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: WCF100300-GB
From $619.83
Wehrli 100190 4 inch Cold Air Intake Kit with Air Box | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100190 4 inch Cold Air Intake Kit with Air Box | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100190 4 inch Cold Air Intake Kit with Air Box | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100190 4 inch Cold Air Intake Kit with Air Box | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100190 4 inch Cold Air Intake Kit with Air Box | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Wehrli Custom Fab

Wehrli 100190 4 inch Cold Air Intake Kit with Air Box | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: WCF100190-GB
From $528.65
Wehrli 100712 High Flow Intake Bundle Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Wehrli 100712 High Flow Intake Bundle Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Wehrli Custom Fab

Wehrli 100712 High Flow Intake Bundle Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: WCF100712
$1,867.25
K&N 57-3034 Performance Air Intake Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
K&N 57-3034 Performance Air Intake Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

K&N Filters

K&N 57-3034 Performance Air Intake Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: KAN57-3034
$367.99

2001-2004 6.6L Silverado & Sierra 2500HD/3500HD

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