Modified LB7 Intake Horn Fleece Performance - FPE-INTAKEHORN 2003-gmc-sierra-3500-esi2015719 All you add is oil

All you add is oil and RTV sealant

Includes washers and mounting bolts

Flat bottom - solves the oil drainage problem associated with GM pan

or sumps to cut into your fuel tank and installs in less than half the time of other high flow lift pumps

OEM style fitment that requires no tank cutting or drilling

Modified LB7 Intake Horn Fleece Performance - FPE-INTAKEHORN 2003-gmc-sierra-3500-esi2015719 All you add is oilIncrease 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 This Part Fits: Year Make Model Submodel Notes 2001 Chevrolet Silverado 3500 2002 Chevrolet Silverado 3500 2003 Chevrolet Silverado 3500 2004 Chevrolet