17-19 Duramax L5P GDP 4" Open Air Intake System Bed and has a 90 degree

and has a 90 degree boot at the intercooler that is prone to failure

A 100% CNC-machined 6061 aluminum coupling allows you to retain your trucks factory emissions components and allows for a quick install

This valve will bring that pressure to a more acceptable 170-190 psi

Contoured specifically for each application and molded from a proprietary thermoplastic resin

BOX TRUCKS

17-19 Duramax L5P GDP 4" Open Air Intake System Bed and has a 90 degreeWeve tested sealed box intakes vs open air intakes, and have found that overall vehicles do best without a sealed box around the intake. So we came out with our own 4 Open Air intake kit. These kits use American made parts, w stainless steel tubing & high quality 7 layer filters from S&B. Let your truck breath better than the factory intake, while keeping even more dirt out. Our kits come in a raw finish or black powder coat. The raw finish gives you