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The 602-HSP is best known as the HSP Diesel L5P Cold Air Intake for the 2017-2019 L5P Duramax Equipped Chevrolet and GMC trucks.
The factory intake on the L5P Duramax engine is something that leaves power on the table. It is overall a choke point that is easily fixed. The L5P engine is a powerhouse right out of the Box and seeing the factory intake that brings in less air than the truck demands can and will quickly become a problem.
The HSP Diesel L5P intake is a major change from the factory parts. To start we used a full metal assembly. With a large heatshield that takes allows for use of the ram air hood scoop that comes factory on these trucks. HSP Diesel also uses a metal mandrel-bent intake tube that uses smooth bends to create a radius that reduces the turbulence and increases the flow into the engine. This means more air that flows faster through the intake and gives the engine and turbocharger the air it is demanding. With no tuning required we have seen increases up to 20HP on average.
This only Fits the 2017-2019 L5P engines even though the Vin code is the same. This is due to small changes that were made in the engine bay. Please be sure you are ordering for the correct year truck.
Engine code is dictated by the 8th character of the VIN number. The 10th character is the year of the truck.
At HSP we believe in our products and we stand firmly behind every single one that leaves our facility. For years we have taken care of almost everything & anything that our customers had issues with, but we didn't have a set in stone warranty. We have always gone above and beyond for our customers which set us apart from the rest. We will continue that same standard, but now we are taking things to the next level. Below you will be able to clearly read & understand our No BS warranty, its process, and the guidelines in which to follow.
We offer free shipping on orders over $100. Standard shipping takes 3-5 business days.
Expedited shipping options are available at checkout.

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