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Fleece Performance Modified Intake Horn — 2001-2004 GM Silverado/Sierra 2500HD/3500HD LB7 Duramax 6.6L
  • Fleece Performance Modified Intake Horn — 2001-2004 GM Silverado/Sierra 2500HD/3500HD LB7 Duramax 6.6L
  • Fleece Performance Modified Intake Horn — 2001-2004 GM Silverado/Sierra 2500HD/3500HD LB7 Duramax 6.6L
Fleece Performance Modified Intake Horn — 2001-2004 GM Silverado/Sierra 2500HD/3500HD LB7 Duramax 6.6L

Fleece Performance Modified Intake Horn — 2001-2004 GM Silverado/Sierra 2500HD/3500HD LB7 Duramax 6.6L

$99.75

PART # FPE-INTAKEHORNFleece Performance

Fits: 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7 (federal emissions only) Will this fit my truck?

Free shipping on orders $50+ Under $50 ships for a flat $12.95. Oversize parts are freight-quoted first. Shipping policy
30-day returns Unused, uninstalled parts in the original packaging. No restocking fee. Return policy
Questions about fit? Call (317) 563-1428 or email support@turn4diesel.com before you order.

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The Fleece FPE-INTAKEHORN modified high-flow LB7 intake horn for 2001-2004 GM 6.6L Duramax LB7 trucks. Opens up the intake path over the restrictive factory horn for better airflow — federal-emissions trucks only, not compatible with California emissions.

- For 2001-2004 Duramax LB7

- High-flow modified intake horn

- Federal emissions only; Cannot ship to CA

Product details

BrandFleece Performance
Vehicle fitment

2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7 (federal emissions only)

  • 2001-2004 GM Silverado 2500HD, Sierra 2500HD, Silverado 3500HD, Sierra 3500HD (6.6L Duramax LB7)