Fleece Performance Modified Intake Horn For 01-04 6.6L Duramax 2015-2020 f-150 RAPTOR: N/A

RAPTOR: N/A

The exhaust system’s cat-back layout replaces your ride’s exhaust system from near the catalytic converter on back

The combination of upgraded arms

With multiple stages to choose from with upgraded Friction materials

Improved Fuel Volume Delivery

Fleece Performance Modified Intake Horn For 01-04 6.6L Duramax 2015-2020 f-150 RAPTOR: N/AFleece Performance Modified Intake Horn For 2001 2004 Chevy GMC 6. 6L Duramax Diesel LB7 The Fleece FPE INTAKEHORN Modified LB7 Intake Horn will increase the potential of your 01 04 GM 6. 6L Duramax LB7 with this simple, but effective upgrade. Back to back dyno pulls showed an increase of 15hp with this Fleece Performance Modified LB7 Intake Horn thats about the cheapest 15hp from a bolt on youll find anywhere! Features: 15HP Increase Easy Upgrade