Fleece Performance · New
Fleece Performance 01-04 GM Duramax 6.6L LB7 High Flow LB7 Intake Horn
MPN FPE-INTAKEHORN · Store SKU fpeFPE-INTAKEHORN
Supplier stock checked 11/7/2026, 9:18:22 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Increase your LB7's potential with this simple but effective upgrade. Back-to-back dyno pulls showed an increase of 15hp with this Fleece Performance high flow LB7 intake horn – that's about the cheapest 15hp from a bolt on you'll find anywhere! Kit Includes: Cast aluminum intake horn New gasket High Flow LB7 Intake Horn
Manufacturer fitment & guides
Check FPE-INTAKEHORN against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y