Fleece Performance 2017+ GM Silverado 2500/3500 6.6L L5P Duramax High Flow Intake Horn

Gain up to 10 additional RWHP with our cast aluminum high flow intake horn for the 2017-2019 L5P 6.6L Duramax! Our intake horn directly replaces the smaller (2.4"" diameter) plastic molded stock intake runner with our larger (3.3"" diameter) cast aluminum model.

Kit Contents:
Cast aluminum intake horn
Square cut O-ring
Billet aluminum fitting for PCV connection
M8x1.25 mounting hardware

Application Notes:
This intake horn is a direct replacement for the stock GM intake horn. No modifications or tuning are required to take advantage of this simple upgrade!
FPE-L5P-MAP-SPR, FPE-HAR-L5P-INJ-PT