
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.
Application: 2017-2019 GM 2500-3500 Duramax 6.6L
FPE-L5P-MAP-SPR, FPE-HAR-L5P-INJ-PT