Fleece High Flow Intake Horn for 2017-2019 Chevy/GMC L5P Duramax
FPEFPE-L5P-INTAKEHORNWant easy power on your 2017-2019 L5P with no tuning required? Swap the intake horn.
Fleece's cast aluminum high flow intake horn replaces the smaller (2.4" diameter) molded plastic stock intake runner with a larger (3.3" diameter) cast aluminum one. Fleece says to expect up to 10 additional RWHP. No modifications or tuning are required.
Why it works
- Up to 10 additional RWHP, per Fleece
- Larger 3.3" diameter vs. the 2.4" stock runner
- Cast aluminum replaces molded plastic
- Direct replacement for the stock GM intake horn
Kit contents
- Cast aluminum intake horn
- Square cut O-ring
- Billet aluminum fitting for PCV connection
- M8x1.25 mounting hardware
Specs
- Diameter: 3.3" (stock is 2.4")
- Engine: 6.6L L5P Duramax
- Part number: FPE-L5P-INTAKEHORN
Tuning with PPEI
PPEI recommends the Fleece horn for the L5P, and we run it on our own trucks. It works on a stock truck, but PPEI L5P engine tuning gets the most out of it. The tune makes use of the bigger path into the engine for stronger pulls, better throttle response and more efficient power.
Fitment
- Chevrolet Silverado 2500 HD: 2017-2019 High Country, LT, LTZ, WT
- Chevrolet Silverado 3500 HD: 2017-2019 High Country, LT, LTZ, WT
- GMC Sierra 2500 HD: 2017-2019 Base, Denali, SLE, SLT
- GMC Sierra 3500 HD: 2017-2019 Base, Denali, SLE, SLT
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WHO IS THE TUNER/CALIBRATOR
PPEI, also known as Power Performance Enterprises, Inc., is led by the business owner and lead calibrator/tuner Kory Willis. PPEI began calibrating/tuning back in 2008, specializing in Diesel Performance but has since expanded into the Gas and Powersports industries. Kory and the team at PPEI have set many world records along with continuing many industry “firsts”. We take pride in knowing that Kory not only prides his work, but also thoroughly enjoys setting expectations high for our team so our customers can have the best products available in the world.